Home / 1,270,894,516.20-1,906,341,774.30-452,711,572.20

Finding the Fourth Proportional to 1,270,894,516.20, 1,906,341,774.30 and 452,711,572.20

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Solution

The fourth proportional to 1,270,894,516.20, 1,906,341,774.30 and 452,711,572.20 is: 679,067,358.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,894,516.20 : 1,906,341,774.30 = 452,711,572.20 : x
  2. Step 2: Convert to fraction form
    1,270,894,516.20/1,906,341,774.30 = 452,711,572.20/x
  3. Step 3: Cross multiply
    1,270,894,516.20x = 1,906,341,774.30 × 452,711,572.20
  4. Step 4: Simplify right side
    1,270,894,516.20x = 863,022,981,793,890,560
  5. Step 5: Solve for x
    x = 863,022,981,793,890,560/1,270,894,516.20
  6. Step 6: Final answer
    x = 679,067,358.30

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Double scale
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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.