Home / 1,192,692,349.92-1,786,711,104.48-929,142,876.36

Finding the Fourth Proportional to 1,192,692,349.92, 1,786,711,104.48 and 929,142,876.36

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Solution

The fourth proportional to 1,192,692,349.92, 1,786,711,104.48 and 929,142,876.36 is: 1,391,901,184.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,692,349.92 : 1,786,711,104.48 = 929,142,876.36 : x
  2. Step 2: Convert to fraction form
    1,192,692,349.92/1,786,711,104.48 = 929,142,876.36/x
  3. Step 3: Cross multiply
    1,192,692,349.92x = 1,786,711,104.48 × 929,142,876.36
  4. Step 4: Simplify right side
    1,192,692,349.92x = 1,660,109,894,840,899,840
  5. Step 5: Solve for x
    x = 1,660,109,894,840,899,840/1,192,692,349.92
  6. Step 6: Final answer
    x = 1,391,901,184.70

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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.