Home / 418,326,562.29-627,566,456.93-172,549,122.71

Finding the Fourth Proportional to 418,326,562.29, 627,566,456.93 and 172,549,122.71

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Solution

The fourth proportional to 418,326,562.29, 627,566,456.93 and 172,549,122.71 is: 258,855,285.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,326,562.29 : 627,566,456.93 = 172,549,122.71 : x
  2. Step 2: Convert to fraction form
    418,326,562.29/627,566,456.93 = 172,549,122.71/x
  3. Step 3: Cross multiply
    418,326,562.29x = 627,566,456.93 × 172,549,122.71
  4. Step 4: Simplify right side
    418,326,562.29x = 108,286,041,587,494,800
  5. Step 5: Solve for x
    x = 108,286,041,587,494,800/418,326,562.29
  6. Step 6: Final answer
    x = 258,855,285.20

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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.