Home / 864,921,023.28-1,193,610,285.72-493,635,607.92

Finding the Fourth Proportional to 864,921,023.28, 1,193,610,285.72 and 493,635,607.92

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Solution

The fourth proportional to 864,921,023.28, 1,193,610,285.72 and 493,635,607.92 is: 681,228,138.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,921,023.28 : 1,193,610,285.72 = 493,635,607.92 : x
  2. Step 2: Convert to fraction form
    864,921,023.28/1,193,610,285.72 = 493,635,607.92/x
  3. Step 3: Cross multiply
    864,921,023.28x = 1,193,610,285.72 × 493,635,607.92
  4. Step 4: Simplify right side
    864,921,023.28x = 589,208,539,010,957,184
  5. Step 5: Solve for x
    x = 589,208,539,010,957,184/864,921,023.28
  6. Step 6: Final answer
    x = 681,228,138.93

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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.