Home / 412,995,064.32-619,509,691.83-121,862,187.24

Finding the Fourth Proportional to 412,995,064.32, 619,509,691.83 and 121,862,187.24

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Solution

The fourth proportional to 412,995,064.32, 619,509,691.83 and 121,862,187.24 is: 182,798,325.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,995,064.32 : 619,509,691.83 = 121,862,187.24 : x
  2. Step 2: Convert to fraction form
    412,995,064.32/619,509,691.83 = 121,862,187.24/x
  3. Step 3: Cross multiply
    412,995,064.32x = 619,509,691.83 × 121,862,187.24
  4. Step 4: Simplify right side
    412,995,064.32x = 75,494,806,062,782,160
  5. Step 5: Solve for x
    x = 75,494,806,062,782,160/412,995,064.32
  6. Step 6: Final answer
    x = 182,798,325.17

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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.