Home / 928,398,680,158.80-1,393,234,139,448.40-324,023,885,448.42

Finding the Fourth Proportional to 928,398,680,158.80, 1,393,234,139,448.40 and 324,023,885,448.42

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Solution

The fourth proportional to 928,398,680,158.80, 1,393,234,139,448.40 and 324,023,885,448.42 is: 486,257,842,510.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,398,680,158.80 : 1,393,234,139,448.40 = 324,023,885,448.42 : x
  2. Step 2: Convert to fraction form
    928,398,680,158.80/1,393,234,139,448.40 = 324,023,885,448.42/x
  3. Step 3: Cross multiply
    928,398,680,158.80x = 1,393,234,139,448.40 × 324,023,885,448.42
  4. Step 4: Simplify right side
    928,398,680,158.80x = 451,441,139,203,456,309,919,744
  5. Step 5: Solve for x
    x = 451,441,139,203,456,309,919,744/928,398,680,158.80
  6. Step 6: Final answer
    x = 486,257,842,510.33

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Double scale
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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.