Home / 1,428,524,560.91-2,143,062,789.87-543,141,079.83

Finding the Fourth Proportional to 1,428,524,560.91, 2,143,062,789.87 and 543,141,079.83

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Solution

The fourth proportional to 1,428,524,560.91, 2,143,062,789.87 and 543,141,079.83 is: 814,816,538.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,524,560.91 : 2,143,062,789.87 = 543,141,079.83 : x
  2. Step 2: Convert to fraction form
    1,428,524,560.91/2,143,062,789.87 = 543,141,079.83/x
  3. Step 3: Cross multiply
    1,428,524,560.91x = 2,143,062,789.87 × 543,141,079.83
  4. Step 4: Simplify right side
    1,428,524,560.91x = 1,163,985,437,830,931,456
  5. Step 5: Solve for x
    x = 1,163,985,437,830,931,456/1,428,524,560.91
  6. Step 6: Final answer
    x = 814,816,538.46

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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.