Home / 462,165,487.65-637,853,773.28-286,010,215.47

Finding the Fourth Proportional to 462,165,487.65, 637,853,773.28 and 286,010,215.47

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Solution

The fourth proportional to 462,165,487.65, 637,853,773.28 and 286,010,215.47 is: 394,734,570.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,165,487.65 : 637,853,773.28 = 286,010,215.47 : x
  2. Step 2: Convert to fraction form
    462,165,487.65/637,853,773.28 = 286,010,215.47/x
  3. Step 3: Cross multiply
    462,165,487.65x = 637,853,773.28 × 286,010,215.47
  4. Step 4: Simplify right side
    462,165,487.65x = 182,432,695,134,165,344
  5. Step 5: Solve for x
    x = 182,432,695,134,165,344/462,165,487.65
  6. Step 6: Final answer
    x = 394,734,570.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.