Home / 558,815,753.57-771,130,987.55-307,906,104.17

Finding the Fourth Proportional to 558,815,753.57, 771,130,987.55 and 307,906,104.17

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Solution

The fourth proportional to 558,815,753.57, 771,130,987.55 and 307,906,104.17 is: 424,891,275.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,815,753.57 : 771,130,987.55 = 307,906,104.17 : x
  2. Step 2: Convert to fraction form
    558,815,753.57/771,130,987.55 = 307,906,104.17/x
  3. Step 3: Cross multiply
    558,815,753.57x = 771,130,987.55 × 307,906,104.17
  4. Step 4: Simplify right side
    558,815,753.57x = 237,435,938,181,673,568
  5. Step 5: Solve for x
    x = 237,435,938,181,673,568/558,815,753.57
  6. Step 6: Final answer
    x = 424,891,275.29

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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.