Home / 864,921,017.28-1,193,610,277.44-493,635,601.92

Finding the Fourth Proportional to 864,921,017.28, 1,193,610,277.44 and 493,635,601.92

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Solution

The fourth proportional to 864,921,017.28, 1,193,610,277.44 and 493,635,601.92 is: 681,228,130.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,921,017.28 : 1,193,610,277.44 = 493,635,601.92 : x
  2. Step 2: Convert to fraction form
    864,921,017.28/1,193,610,277.44 = 493,635,601.92/x
  3. Step 3: Cross multiply
    864,921,017.28x = 1,193,610,277.44 × 493,635,601.92
  4. Step 4: Simplify right side
    864,921,017.28x = 589,208,527,761,992,704
  5. Step 5: Solve for x
    x = 589,208,527,761,992,704/864,921,017.28
  6. Step 6: Final answer
    x = 681,228,130.65

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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.