Home / 487,987,875-732,005,354.38-160,456,136.76

Finding the Fourth Proportional to 487,987,875, 732,005,354.38 and 160,456,136.76

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Solution

The fourth proportional to 487,987,875, 732,005,354.38 and 160,456,136.76 is: 240,691,945.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,987,875 : 732,005,354.38 = 160,456,136.76 : x
  2. Step 2: Convert to fraction form
    487,987,875/732,005,354.38 = 160,456,136.76/x
  3. Step 3: Cross multiply
    487,987,875x = 732,005,354.38 × 160,456,136.76
  4. Step 4: Simplify right side
    487,987,875x = 117,454,751,251,449,536
  5. Step 5: Solve for x
    x = 117,454,751,251,449,536/487,987,875
  6. Step 6: Final answer
    x = 240,691,945.99

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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.