Home / 616,818,891.12-925,231,486.52-207,878,584.56

Finding the Fourth Proportional to 616,818,891.12, 925,231,486.52 and 207,878,584.56

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Solution

The fourth proportional to 616,818,891.12, 925,231,486.52 and 207,878,584.56 is: 311,818,938.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,818,891.12 : 925,231,486.52 = 207,878,584.56 : x
  2. Step 2: Convert to fraction form
    616,818,891.12/925,231,486.52 = 207,878,584.56/x
  3. Step 3: Cross multiply
    616,818,891.12x = 925,231,486.52 × 207,878,584.56
  4. Step 4: Simplify right side
    616,818,891.12x = 192,335,811,808,122,304
  5. Step 5: Solve for x
    x = 192,335,811,808,122,304/616,818,891.12
  6. Step 6: Final answer
    x = 311,818,938.39

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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.