Home / 1,328,616,103.20-1,992,924,154.80-1,231,870,221.60

Finding the Fourth Proportional to 1,328,616,103.20, 1,992,924,154.80 and 1,231,870,221.60

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Solution

The fourth proportional to 1,328,616,103.20, 1,992,924,154.80 and 1,231,870,221.60 is: 1,847,805,332.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,616,103.20 : 1,992,924,154.80 = 1,231,870,221.60 : x
  2. Step 2: Convert to fraction form
    1,328,616,103.20/1,992,924,154.80 = 1,231,870,221.60/x
  3. Step 3: Cross multiply
    1,328,616,103.20x = 1,992,924,154.80 × 1,231,870,221.60
  4. Step 4: Simplify right side
    1,328,616,103.20x = 2,455,023,920,205,468,672
  5. Step 5: Solve for x
    x = 2,455,023,920,205,468,672/1,328,616,103.20
  6. Step 6: Final answer
    x = 1,847,805,332.40

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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.