Home / 20,882,323,385.74-31,325,726,671.69-8,931,816,876.85

Finding the Fourth Proportional to 20,882,323,385.74, 31,325,726,671.69 and 8,931,816,876.85

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Solution

The fourth proportional to 20,882,323,385.74, 31,325,726,671.69 and 8,931,816,876.85 is: 13,398,684,092.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,882,323,385.74 : 31,325,726,671.69 = 8,931,816,876.85 : x
  2. Step 2: Convert to fraction form
    20,882,323,385.74/31,325,726,671.69 = 8,931,816,876.85/x
  3. Step 3: Cross multiply
    20,882,323,385.74x = 31,325,726,671.69 × 8,931,816,876.85
  4. Step 4: Simplify right side
    20,882,323,385.74x = 279,795,654,165,589,622,784
  5. Step 5: Solve for x
    x = 279,795,654,165,589,622,784/20,882,323,385.74
  6. Step 6: Final answer
    x = 13,398,684,092.63

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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.