Home / 519,136,104.57-716,407,766.46-280,981,248.36

Finding the Fourth Proportional to 519,136,104.57, 716,407,766.46 and 280,981,248.36

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Solution

The fourth proportional to 519,136,104.57, 716,407,766.46 and 280,981,248.36 is: 387,754,091.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,136,104.57 : 716,407,766.46 = 280,981,248.36 : x
  2. Step 2: Convert to fraction form
    519,136,104.57/716,407,766.46 = 280,981,248.36/x
  3. Step 3: Cross multiply
    519,136,104.57x = 716,407,766.46 × 280,981,248.36
  4. Step 4: Simplify right side
    519,136,104.57x = 201,297,148,554,730,144
  5. Step 5: Solve for x
    x = 201,297,148,554,730,144/519,136,104.57
  6. Step 6: Final answer
    x = 387,754,091.43

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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.