Home / 1,008,204,113.46-1,511,443,579.12-386,865,234.61

Finding the Fourth Proportional to 1,008,204,113.46, 1,511,443,579.12 and 386,865,234.61

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Solution

The fourth proportional to 1,008,204,113.46, 1,511,443,579.12 and 386,865,234.61 is: 579,966,860.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,204,113.46 : 1,511,443,579.12 = 386,865,234.61 : x
  2. Step 2: Convert to fraction form
    1,008,204,113.46/1,511,443,579.12 = 386,865,234.61/x
  3. Step 3: Cross multiply
    1,008,204,113.46x = 1,511,443,579.12 × 386,865,234.61
  4. Step 4: Simplify right side
    1,008,204,113.46x = 584,724,974,833,418,880
  5. Step 5: Solve for x
    x = 584,724,974,833,418,880/1,008,204,113.46
  6. Step 6: Final answer
    x = 579,966,860.90

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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.