Home / 472,096,191.52-651,231,204.78-331,177,220.08

Finding the Fourth Proportional to 472,096,191.52, 651,231,204.78 and 331,177,220.08

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Solution

The fourth proportional to 472,096,191.52, 651,231,204.78 and 331,177,220.08 is: 456,841,092.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,096,191.52 : 651,231,204.78 = 331,177,220.08 : x
  2. Step 2: Convert to fraction form
    472,096,191.52/651,231,204.78 = 331,177,220.08/x
  3. Step 3: Cross multiply
    472,096,191.52x = 651,231,204.78 × 331,177,220.08
  4. Step 4: Simplify right side
    472,096,191.52x = 215,672,940,028,389,600
  5. Step 5: Solve for x
    x = 215,672,940,028,389,600/472,096,191.52
  6. Step 6: Final answer
    x = 456,841,092.77

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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.