Home / 487,365,996.61-730,977,210.15-159,876,116.47

Finding the Fourth Proportional to 487,365,996.61, 730,977,210.15 and 159,876,116.47

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Solution

The fourth proportional to 487,365,996.61, 730,977,210.15 and 159,876,116.47 is: 239,790,626.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,365,996.61 : 730,977,210.15 = 159,876,116.47 : x
  2. Step 2: Convert to fraction form
    487,365,996.61/730,977,210.15 = 159,876,116.47/x
  3. Step 3: Cross multiply
    487,365,996.61x = 730,977,210.15 × 159,876,116.47
  4. Step 4: Simplify right side
    487,365,996.61x = 116,865,797,586,857,056
  5. Step 5: Solve for x
    x = 116,865,797,586,857,056/487,365,996.61
  6. Step 6: Final answer
    x = 239,790,626.35

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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.