Home / 521,520,782,618.30-782,281,173,927.45-433,361,098,010.30

Finding the Fourth Proportional to 521,520,782,618.30, 782,281,173,927.45 and 433,361,098,010.30

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Solution

The fourth proportional to 521,520,782,618.30, 782,281,173,927.45 and 433,361,098,010.30 is: 650,041,647,015.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,520,782,618.30 : 782,281,173,927.45 = 433,361,098,010.30 : x
  2. Step 2: Convert to fraction form
    521,520,782,618.30/782,281,173,927.45 = 433,361,098,010.30/x
  3. Step 3: Cross multiply
    521,520,782,618.30x = 782,281,173,927.45 × 433,361,098,010.30
  4. Step 4: Simplify right side
    521,520,782,618.30x = 339,010,228,485,986,143,174,656
  5. Step 5: Solve for x
    x = 339,010,228,485,986,143,174,656/521,520,782,618.30
  6. Step 6: Final answer
    x = 650,041,647,015.45

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Double scale
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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.