Home / 521,520,782,655.30-782,281,173,982.95-433,361,098,047.30

Finding the Fourth Proportional to 521,520,782,655.30, 782,281,173,982.95 and 433,361,098,047.30

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Solution

The fourth proportional to 521,520,782,655.30, 782,281,173,982.95 and 433,361,098,047.30 is: 650,041,647,070.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,520,782,655.30 : 782,281,173,982.95 = 433,361,098,047.30 : x
  2. Step 2: Convert to fraction form
    521,520,782,655.30/782,281,173,982.95 = 433,361,098,047.30/x
  3. Step 3: Cross multiply
    521,520,782,655.30x = 782,281,173,982.95 × 433,361,098,047.30
  4. Step 4: Simplify right side
    521,520,782,655.30x = 339,010,228,538,982,147,293,184
  5. Step 5: Solve for x
    x = 339,010,228,538,982,147,293,184/521,520,782,655.30
  6. Step 6: Final answer
    x = 650,041,647,070.95

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Double scale
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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.