Home / 12,154,029,780.78-18,228,493,722.78-3,427,853,591.34

Finding the Fourth Proportional to 12,154,029,780.78, 18,228,493,722.78 and 3,427,853,591.34

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Solution

The fourth proportional to 12,154,029,780.78, 18,228,493,722.78 and 3,427,853,591.34 is: 5,141,060,932.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,154,029,780.78 : 18,228,493,722.78 = 3,427,853,591.34 : x
  2. Step 2: Convert to fraction form
    12,154,029,780.78/18,228,493,722.78 = 3,427,853,591.34/x
  3. Step 3: Cross multiply
    12,154,029,780.78x = 18,228,493,722.78 × 3,427,853,591.34
  4. Step 4: Simplify right side
    12,154,029,780.78x = 62,484,607,672,350,064,640
  5. Step 5: Solve for x
    x = 62,484,607,672,350,064,640/12,154,029,780.78
  6. Step 6: Final answer
    x = 5,141,060,932.00

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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.