Home / 616,818,892.12-925,231,488.02-207,878,585.56

Finding the Fourth Proportional to 616,818,892.12, 925,231,488.02 and 207,878,585.56

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Solution

The fourth proportional to 616,818,892.12, 925,231,488.02 and 207,878,585.56 is: 311,818,939.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,818,892.12 : 925,231,488.02 = 207,878,585.56 : x
  2. Step 2: Convert to fraction form
    616,818,892.12/925,231,488.02 = 207,878,585.56/x
  3. Step 3: Cross multiply
    616,818,892.12x = 925,231,488.02 × 207,878,585.56
  4. Step 4: Simplify right side
    616,818,892.12x = 192,335,813,045,171,680
  5. Step 5: Solve for x
    x = 192,335,813,045,171,680/616,818,892.12
  6. Step 6: Final answer
    x = 311,818,939.89

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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.