Home / 798,705,794.70-1,198,118,930.47-238,423,387.30

Finding the Fourth Proportional to 798,705,794.70, 1,198,118,930.47 and 238,423,387.30

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Solution

The fourth proportional to 798,705,794.70, 1,198,118,930.47 and 238,423,387.30 is: 357,653,062.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,705,794.70 : 1,198,118,930.47 = 238,423,387.30 : x
  2. Step 2: Convert to fraction form
    798,705,794.70/1,198,118,930.47 = 238,423,387.30/x
  3. Step 3: Cross multiply
    798,705,794.70x = 1,198,118,930.47 × 238,423,387.30
  4. Step 4: Simplify right side
    798,705,794.70x = 285,659,573,790,910,592
  5. Step 5: Solve for x
    x = 285,659,573,790,910,592/798,705,794.70
  6. Step 6: Final answer
    x = 357,653,062.85

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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.