Home / 487,366,001.61-730,977,217.65-159,876,121.47

Finding the Fourth Proportional to 487,366,001.61, 730,977,217.65 and 159,876,121.47

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Solution

The fourth proportional to 487,366,001.61, 730,977,217.65 and 159,876,121.47 is: 239,790,633.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,366,001.61 : 730,977,217.65 = 159,876,121.47 : x
  2. Step 2: Convert to fraction form
    487,366,001.61/730,977,217.65 = 159,876,121.47/x
  3. Step 3: Cross multiply
    487,366,001.61x = 730,977,217.65 × 159,876,121.47
  4. Step 4: Simplify right side
    487,366,001.61x = 116,865,802,440,814,016
  5. Step 5: Solve for x
    x = 116,865,802,440,814,016/487,366,001.61
  6. Step 6: Final answer
    x = 239,790,633.85

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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.