Home / 521,520,782,604.30-782,281,173,906.45-433,361,097,996.30

Finding the Fourth Proportional to 521,520,782,604.30, 782,281,173,906.45 and 433,361,097,996.30

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Solution

The fourth proportional to 521,520,782,604.30, 782,281,173,906.45 and 433,361,097,996.30 is: 650,041,646,994.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,520,782,604.30 : 782,281,173,906.45 = 433,361,097,996.30 : x
  2. Step 2: Convert to fraction form
    521,520,782,604.30/782,281,173,906.45 = 433,361,097,996.30/x
  3. Step 3: Cross multiply
    521,520,782,604.30x = 782,281,173,906.45 × 433,361,097,996.30
  4. Step 4: Simplify right side
    521,520,782,604.30x = 339,010,228,465,933,679,067,136
  5. Step 5: Solve for x
    x = 339,010,228,465,933,679,067,136/521,520,782,604.30
  6. Step 6: Final answer
    x = 650,041,646,994.45

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Find fourth proportional to 1,043,041,565,208.60, 1,564,562,347,812.90 and 866,722,195,992.60
Double scale
Find fourth proportional to 521,520,782,605.30, 782,281,173,907.95 and 433,361,097,997.30
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.