Home / 510,272,516.28-765,520,402.55-165,261,019.08

Finding the Fourth Proportional to 510,272,516.28, 765,520,402.55 and 165,261,019.08

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Solution

The fourth proportional to 510,272,516.28, 765,520,402.55 and 165,261,019.08 is: 247,927,681.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,272,516.28 : 765,520,402.55 = 165,261,019.08 : x
  2. Step 2: Convert to fraction form
    510,272,516.28/765,520,402.55 = 165,261,019.08/x
  3. Step 3: Cross multiply
    510,272,516.28x = 765,520,402.55 × 165,261,019.08
  4. Step 4: Simplify right side
    510,272,516.28x = 126,510,681,851,944,832
  5. Step 5: Solve for x
    x = 126,510,681,851,944,832/510,272,516.28
  6. Step 6: Final answer
    x = 247,927,681.42

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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.