Home / 494,148,568.92-681,926,319.98-268,087,540.84

Finding the Fourth Proportional to 494,148,568.92, 681,926,319.98 and 268,087,540.84

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Solution

The fourth proportional to 494,148,568.92, 681,926,319.98 and 268,087,540.84 is: 369,961,508.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,148,568.92 : 681,926,319.98 = 268,087,540.84 : x
  2. Step 2: Convert to fraction form
    494,148,568.92/681,926,319.98 = 268,087,540.84/x
  3. Step 3: Cross multiply
    494,148,568.92x = 681,926,319.98 × 268,087,540.84
  4. Step 4: Simplify right side
    494,148,568.92x = 182,815,950,157,509,152
  5. Step 5: Solve for x
    x = 182,815,950,157,509,152/494,148,568.92
  6. Step 6: Final answer
    x = 369,961,508.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.