Home / 1,003,375,040.67-1,384,345,169.28-579,834,401.38

Finding the Fourth Proportional to 1,003,375,040.67, 1,384,345,169.28 and 579,834,401.38

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Solution

The fourth proportional to 1,003,375,040.67, 1,384,345,169.28 and 579,834,401.38 is: 799,990,950.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,375,040.67 : 1,384,345,169.28 = 579,834,401.38 : x
  2. Step 2: Convert to fraction form
    1,003,375,040.67/1,384,345,169.28 = 579,834,401.38/x
  3. Step 3: Cross multiply
    1,003,375,040.67x = 1,384,345,169.28 × 579,834,401.38
  4. Step 4: Simplify right side
    1,003,375,040.67x = 802,690,952,532,763,520
  5. Step 5: Solve for x
    x = 802,690,952,532,763,520/1,003,375,040.67
  6. Step 6: Final answer
    x = 799,990,950.54

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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.