Home / 864,921,024.28-1,193,610,287.10-493,635,608.92

Finding the Fourth Proportional to 864,921,024.28, 1,193,610,287.10 and 493,635,608.92

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Solution

The fourth proportional to 864,921,024.28, 1,193,610,287.10 and 493,635,608.92 is: 681,228,140.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,921,024.28 : 1,193,610,287.10 = 493,635,608.92 : x
  2. Step 2: Convert to fraction form
    864,921,024.28/1,193,610,287.10 = 493,635,608.92/x
  3. Step 3: Cross multiply
    864,921,024.28x = 1,193,610,287.10 × 493,635,608.92
  4. Step 4: Simplify right side
    864,921,024.28x = 589,208,540,885,784,448
  5. Step 5: Solve for x
    x = 589,208,540,885,784,448/864,921,024.28
  6. Step 6: Final answer
    x = 681,228,140.31

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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.