Home / 1,511,712,015.20-2,267,227,725.60-542,363,631.20

Finding the Fourth Proportional to 1,511,712,015.20, 2,267,227,725.60 and 542,363,631.20

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Solution

The fourth proportional to 1,511,712,015.20, 2,267,227,725.60 and 542,363,631.20 is: 813,423,356.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,712,015.20 : 2,267,227,725.60 = 542,363,631.20 : x
  2. Step 2: Convert to fraction form
    1,511,712,015.20/2,267,227,725.60 = 542,363,631.20/x
  3. Step 3: Cross multiply
    1,511,712,015.20x = 2,267,227,725.60 × 542,363,631.20
  4. Step 4: Simplify right side
    1,511,712,015.20x = 1,229,661,862,013,733,376
  5. Step 5: Solve for x
    x = 1,229,661,862,013,733,376/1,511,712,015.20
  6. Step 6: Final answer
    x = 813,423,356.86

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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.