Home / 1,791,435,137.30-2,472,191,962.46-998,531,390.06

Finding the Fourth Proportional to 1,791,435,137.30, 2,472,191,962.46 and 998,531,390.06

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Solution

The fourth proportional to 1,791,435,137.30, 2,472,191,962.46 and 998,531,390.06 is: 1,377,979,713.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,791,435,137.30 : 2,472,191,962.46 = 998,531,390.06 : x
  2. Step 2: Convert to fraction form
    1,791,435,137.30/2,472,191,962.46 = 998,531,390.06/x
  3. Step 3: Cross multiply
    1,791,435,137.30x = 2,472,191,962.46 × 998,531,390.06
  4. Step 4: Simplify right side
    1,791,435,137.30x = 2,468,561,276,770,342,912
  5. Step 5: Solve for x
    x = 2,468,561,276,770,342,912/1,791,435,137.30
  6. Step 6: Final answer
    x = 1,377,979,713.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.