Home / 648,146,977.12-894,363,625.20-516,323,663.20

Finding the Fourth Proportional to 648,146,977.12, 894,363,625.20 and 516,323,663.20

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Solution

The fourth proportional to 648,146,977.12, 894,363,625.20 and 516,323,663.20 is: 712,463,560.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,146,977.12 : 894,363,625.20 = 516,323,663.20 : x
  2. Step 2: Convert to fraction form
    648,146,977.12/894,363,625.20 = 516,323,663.20/x
  3. Step 3: Cross multiply
    648,146,977.12x = 894,363,625.20 × 516,323,663.20
  4. Step 4: Simplify right side
    648,146,977.12x = 461,781,103,196,095,872
  5. Step 5: Solve for x
    x = 461,781,103,196,095,872/648,146,977.12
  6. Step 6: Final answer
    x = 712,463,560.73

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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.