Home / 916,250,177.76-1,374,197,857.20-356,011,025.28

Finding the Fourth Proportional to 916,250,177.76, 1,374,197,857.20 and 356,011,025.28

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Solution

The fourth proportional to 916,250,177.76, 1,374,197,857.20 and 356,011,025.28 is: 533,947,605.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,250,177.76 : 1,374,197,857.20 = 356,011,025.28 : x
  2. Step 2: Convert to fraction form
    916,250,177.76/1,374,197,857.20 = 356,011,025.28/x
  3. Step 3: Cross multiply
    916,250,177.76x = 1,374,197,857.20 × 356,011,025.28
  4. Step 4: Simplify right side
    916,250,177.76x = 489,229,588,079,350,976
  5. Step 5: Solve for x
    x = 489,229,588,079,350,976/916,250,177.76
  6. Step 6: Final answer
    x = 533,947,605.09

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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.