Home / 1,376,587,605.85-2,065,284,342.02-443,891,695.83

Finding the Fourth Proportional to 1,376,587,605.85, 2,065,284,342.02 and 443,891,695.83

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Solution

The fourth proportional to 1,376,587,605.85, 2,065,284,342.02 and 443,891,695.83 is: 665,967,472.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,587,605.85 : 2,065,284,342.02 = 443,891,695.83 : x
  2. Step 2: Convert to fraction form
    1,376,587,605.85/2,065,284,342.02 = 443,891,695.83/x
  3. Step 3: Cross multiply
    1,376,587,605.85x = 2,065,284,342.02 × 443,891,695.83
  4. Step 4: Simplify right side
    1,376,587,605.85x = 916,762,568,943,792,128
  5. Step 5: Solve for x
    x = 916,762,568,943,792,128/1,376,587,605.85
  6. Step 6: Final answer
    x = 665,967,472.79

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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.