Home / 866,608,217.42-1,299,103,621.11-341,981,663.75

Finding the Fourth Proportional to 866,608,217.42, 1,299,103,621.11 and 341,981,663.75

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Solution

The fourth proportional to 866,608,217.42, 1,299,103,621.11 and 341,981,663.75 is: 512,653,363.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,608,217.42 : 1,299,103,621.11 = 341,981,663.75 : x
  2. Step 2: Convert to fraction form
    866,608,217.42/1,299,103,621.11 = 341,981,663.75/x
  3. Step 3: Cross multiply
    866,608,217.42x = 1,299,103,621.11 × 341,981,663.75
  4. Step 4: Simplify right side
    866,608,217.42x = 444,269,617,729,223,488
  5. Step 5: Solve for x
    x = 444,269,617,729,223,488/866,608,217.42
  6. Step 6: Final answer
    x = 512,653,363.77

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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.