Home / 928,398,680,145.77-1,393,234,139,428.90-324,023,885,435.41

Finding the Fourth Proportional to 928,398,680,145.77, 1,393,234,139,428.90 and 324,023,885,435.41

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Solution

The fourth proportional to 928,398,680,145.77, 1,393,234,139,428.90 and 324,023,885,435.41 is: 486,257,842,490.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,398,680,145.77 : 1,393,234,139,428.90 = 324,023,885,435.41 : x
  2. Step 2: Convert to fraction form
    928,398,680,145.77/1,393,234,139,428.90 = 324,023,885,435.41/x
  3. Step 3: Cross multiply
    928,398,680,145.77x = 1,393,234,139,428.90 × 324,023,885,435.41
  4. Step 4: Simplify right side
    928,398,680,145.77x = 451,441,139,179,011,839,098,880
  5. Step 5: Solve for x
    x = 451,441,139,179,011,839,098,880/928,398,680,145.77
  6. Step 6: Final answer
    x = 486,257,842,490.83

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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.