Home / 510,694,008.96-766,148,614.08-165,620,729.60

Finding the Fourth Proportional to 510,694,008.96, 766,148,614.08 and 165,620,729.60

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Solution

The fourth proportional to 510,694,008.96, 766,148,614.08 and 165,620,729.60 is: 248,465,989.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,694,008.96 : 766,148,614.08 = 165,620,729.60 : x
  2. Step 2: Convert to fraction form
    510,694,008.96/766,148,614.08 = 165,620,729.60/x
  3. Step 3: Cross multiply
    510,694,008.96x = 766,148,614.08 × 165,620,729.60
  4. Step 4: Simplify right side
    510,694,008.96x = 126,890,092,445,958,432
  5. Step 5: Solve for x
    x = 126,890,092,445,958,432/510,694,008.96
  6. Step 6: Final answer
    x = 248,465,989.85

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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.