Home / 579,225,908.90-868,838,863.35-268,332,923.90

Finding the Fourth Proportional to 579,225,908.90, 868,838,863.35 and 268,332,923.90

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Solution

The fourth proportional to 579,225,908.90, 868,838,863.35 and 268,332,923.90 is: 402,499,385.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,225,908.90 : 868,838,863.35 = 268,332,923.90 : x
  2. Step 2: Convert to fraction form
    579,225,908.90/868,838,863.35 = 268,332,923.90/x
  3. Step 3: Cross multiply
    579,225,908.90x = 868,838,863.35 × 268,332,923.90
  4. Step 4: Simplify right side
    579,225,908.90x = 233,138,072,600,658,048
  5. Step 5: Solve for x
    x = 233,138,072,600,658,048/579,225,908.90
  6. Step 6: Final answer
    x = 402,499,385.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.