Home / 643,676,325.40-965,514,488.10-234,745,816.60

Finding the Fourth Proportional to 643,676,325.40, 965,514,488.10 and 234,745,816.60

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Solution

The fourth proportional to 643,676,325.40, 965,514,488.10 and 234,745,816.60 is: 352,118,724.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,676,325.40 : 965,514,488.10 = 234,745,816.60 : x
  2. Step 2: Convert to fraction form
    643,676,325.40/965,514,488.10 = 234,745,816.60/x
  3. Step 3: Cross multiply
    643,676,325.40x = 965,514,488.10 × 234,745,816.60
  4. Step 4: Simplify right side
    643,676,325.40x = 226,650,486,948,165,472
  5. Step 5: Solve for x
    x = 226,650,486,948,165,472/643,676,325.40
  6. Step 6: Final answer
    x = 352,118,724.90

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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.