Home / 820,605,869.44-1,132,437,932.88-444,266,423.52

Finding the Fourth Proportional to 820,605,869.44, 1,132,437,932.88 and 444,266,423.52

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Solution

The fourth proportional to 820,605,869.44, 1,132,437,932.88 and 444,266,423.52 is: 613,088,656.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,605,869.44 : 1,132,437,932.88 = 444,266,423.52 : x
  2. Step 2: Convert to fraction form
    820,605,869.44/1,132,437,932.88 = 444,266,423.52/x
  3. Step 3: Cross multiply
    820,605,869.44x = 1,132,437,932.88 × 444,266,423.52
  4. Step 4: Simplify right side
    820,605,869.44x = 503,104,150,298,979,456
  5. Step 5: Solve for x
    x = 503,104,150,298,979,456/820,605,869.44
  6. Step 6: Final answer
    x = 613,088,656.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.