Home / 657,479,511.88-986,195,348.94-197,405,723.80

Finding the Fourth Proportional to 657,479,511.88, 986,195,348.94 and 197,405,723.80

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Solution

The fourth proportional to 657,479,511.88, 986,195,348.94 and 197,405,723.80 is: 296,101,404.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,479,511.88 : 986,195,348.94 = 197,405,723.80 : x
  2. Step 2: Convert to fraction form
    657,479,511.88/986,195,348.94 = 197,405,723.80/x
  3. Step 3: Cross multiply
    657,479,511.88x = 986,195,348.94 × 197,405,723.80
  4. Step 4: Simplify right side
    657,479,511.88x = 194,680,606,665,694,272
  5. Step 5: Solve for x
    x = 194,680,606,665,694,272/657,479,511.88
  6. Step 6: Final answer
    x = 296,101,404.15

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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.