Home / 1,003,375,046.70-1,384,345,177.58-579,834,407.42

Finding the Fourth Proportional to 1,003,375,046.70, 1,384,345,177.58 and 579,834,407.42

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Solution

The fourth proportional to 1,003,375,046.70, 1,384,345,177.58 and 579,834,407.42 is: 799,990,958.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,375,046.70 : 1,384,345,177.58 = 579,834,407.42 : x
  2. Step 2: Convert to fraction form
    1,003,375,046.70/1,384,345,177.58 = 579,834,407.42/x
  3. Step 3: Cross multiply
    1,003,375,046.70x = 1,384,345,177.58 × 579,834,407.42
  4. Step 4: Simplify right side
    1,003,375,046.70x = 802,690,965,706,833,920
  5. Step 5: Solve for x
    x = 802,690,965,706,833,920/1,003,375,046.70
  6. Step 6: Final answer
    x = 799,990,958.86

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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.