Home / 870,474,691.20-1,305,712,036.80-296,046,019.20

Finding the Fourth Proportional to 870,474,691.20, 1,305,712,036.80 and 296,046,019.20

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Solution

The fourth proportional to 870,474,691.20, 1,305,712,036.80 and 296,046,019.20 is: 444,069,028.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,474,691.20 : 1,305,712,036.80 = 296,046,019.20 : x
  2. Step 2: Convert to fraction form
    870,474,691.20/1,305,712,036.80 = 296,046,019.20/x
  3. Step 3: Cross multiply
    870,474,691.20x = 1,305,712,036.80 × 296,046,019.20
  4. Step 4: Simplify right side
    870,474,691.20x = 386,550,850,716,163,904
  5. Step 5: Solve for x
    x = 386,550,850,716,163,904/870,474,691.20
  6. Step 6: Final answer
    x = 444,069,028.80

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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.