Home / 791,856,043.20-1,187,784,064.80-502,008,121.80

Finding the Fourth Proportional to 791,856,043.20, 1,187,784,064.80 and 502,008,121.80

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Solution

The fourth proportional to 791,856,043.20, 1,187,784,064.80 and 502,008,121.80 is: 753,012,182.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,856,043.20 : 1,187,784,064.80 = 502,008,121.80 : x
  2. Step 2: Convert to fraction form
    791,856,043.20/1,187,784,064.80 = 502,008,121.80/x
  3. Step 3: Cross multiply
    791,856,043.20x = 1,187,784,064.80 × 502,008,121.80
  4. Step 4: Simplify right side
    791,856,043.20x = 596,277,247,474,217,472
  5. Step 5: Solve for x
    x = 596,277,247,474,217,472/791,856,043.20
  6. Step 6: Final answer
    x = 753,012,182.70

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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.