Home / 772,332,834.20-1,158,499,251.30-527,444,821.40

Finding the Fourth Proportional to 772,332,834.20, 1,158,499,251.30 and 527,444,821.40

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Solution

The fourth proportional to 772,332,834.20, 1,158,499,251.30 and 527,444,821.40 is: 791,167,232.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,332,834.20 : 1,158,499,251.30 = 527,444,821.40 : x
  2. Step 2: Convert to fraction form
    772,332,834.20/1,158,499,251.30 = 527,444,821.40/x
  3. Step 3: Cross multiply
    772,332,834.20x = 1,158,499,251.30 × 527,444,821.40
  4. Step 4: Simplify right side
    772,332,834.20x = 611,044,430,693,962,112
  5. Step 5: Solve for x
    x = 611,044,430,693,962,112/772,332,834.20
  6. Step 6: Final answer
    x = 791,167,232.10

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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.