Home / 1,948,187,021.40-2,922,694,020.90-637,992,296.28

Finding the Fourth Proportional to 1,948,187,021.40, 2,922,694,020.90 and 637,992,296.28

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Solution

The fourth proportional to 1,948,187,021.40, 2,922,694,020.90 and 637,992,296.28 is: 957,123,853.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948,187,021.40 : 2,922,694,020.90 = 637,992,296.28 : x
  2. Step 2: Convert to fraction form
    1,948,187,021.40/2,922,694,020.90 = 637,992,296.28/x
  3. Step 3: Cross multiply
    1,948,187,021.40x = 2,922,694,020.90 × 637,992,296.28
  4. Step 4: Simplify right side
    1,948,187,021.40x = 1,864,656,269,717,817,344
  5. Step 5: Solve for x
    x = 1,864,656,269,717,817,344/1,948,187,021.40
  6. Step 6: Final answer
    x = 957,123,853.73

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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.