Home / 1,258,198,681.32-1,887,758,232.54-585,474,608.15

Finding the Fourth Proportional to 1,258,198,681.32, 1,887,758,232.54 and 585,474,608.15

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Solution

The fourth proportional to 1,258,198,681.32, 1,887,758,232.54 and 585,474,608.15 is: 878,426,060.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,198,681.32 : 1,887,758,232.54 = 585,474,608.15 : x
  2. Step 2: Convert to fraction form
    1,258,198,681.32/1,887,758,232.54 = 585,474,608.15/x
  3. Step 3: Cross multiply
    1,258,198,681.32x = 1,887,758,232.54 × 585,474,608.15
  4. Step 4: Simplify right side
    1,258,198,681.32x = 1,105,234,511,468,854,272
  5. Step 5: Solve for x
    x = 1,105,234,511,468,854,272/1,258,198,681.32
  6. Step 6: Final answer
    x = 878,426,060.91

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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.