Home / 1,435,789,919.92-1,981,386,173.12-800,711,101.48

Finding the Fourth Proportional to 1,435,789,919.92, 1,981,386,173.12 and 800,711,101.48

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Solution

The fourth proportional to 1,435,789,919.92, 1,981,386,173.12 and 800,711,101.48 is: 1,104,979,135.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,789,919.92 : 1,981,386,173.12 = 800,711,101.48 : x
  2. Step 2: Convert to fraction form
    1,435,789,919.92/1,981,386,173.12 = 800,711,101.48/x
  3. Step 3: Cross multiply
    1,435,789,919.92x = 1,981,386,173.12 × 800,711,101.48
  4. Step 4: Simplify right side
    1,435,789,919.92x = 1,586,517,905,136,157,184
  5. Step 5: Solve for x
    x = 1,586,517,905,136,157,184/1,435,789,919.92
  6. Step 6: Final answer
    x = 1,104,979,135.96

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Double scale
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1.5x scale

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.