Home / 648,146,974.12-894,363,621.06-516,323,660.20

Finding the Fourth Proportional to 648,146,974.12, 894,363,621.06 and 516,323,660.20

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Solution

The fourth proportional to 648,146,974.12, 894,363,621.06 and 516,323,660.20 is: 712,463,556.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,146,974.12 : 894,363,621.06 = 516,323,660.20 : x
  2. Step 2: Convert to fraction form
    648,146,974.12/894,363,621.06 = 516,323,660.20/x
  3. Step 3: Cross multiply
    648,146,974.12x = 894,363,621.06 × 516,323,660.20
  4. Step 4: Simplify right side
    648,146,974.12x = 461,781,098,375,424,960
  5. Step 5: Solve for x
    x = 461,781,098,375,424,960/648,146,974.12
  6. Step 6: Final answer
    x = 712,463,556.59

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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.