Home / 1,435,789,905.39-1,981,386,153.12-800,711,086.95

Finding the Fourth Proportional to 1,435,789,905.39, 1,981,386,153.12 and 800,711,086.95

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Solution

The fourth proportional to 1,435,789,905.39, 1,981,386,153.12 and 800,711,086.95 is: 1,104,979,115.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,789,905.39 : 1,981,386,153.12 = 800,711,086.95 : x
  2. Step 2: Convert to fraction form
    1,435,789,905.39/1,981,386,153.12 = 800,711,086.95/x
  3. Step 3: Cross multiply
    1,435,789,905.39x = 1,981,386,153.12 × 800,711,086.95
  4. Step 4: Simplify right side
    1,435,789,905.39x = 1,586,517,860,332,394,240
  5. Step 5: Solve for x
    x = 1,586,517,860,332,394,240/1,435,789,905.39
  6. Step 6: Final answer
    x = 1,104,979,115.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.