Home / 726,778,205.11-1,002,957,996.86-413,512,412.59

Finding the Fourth Proportional to 726,778,205.11, 1,002,957,996.86 and 413,512,412.59

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Solution

The fourth proportional to 726,778,205.11, 1,002,957,996.86 and 413,512,412.59 is: 570,649,447.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,778,205.11 : 1,002,957,996.86 = 413,512,412.59 : x
  2. Step 2: Convert to fraction form
    726,778,205.11/1,002,957,996.86 = 413,512,412.59/x
  3. Step 3: Cross multiply
    726,778,205.11x = 1,002,957,996.86 × 413,512,412.59
  4. Step 4: Simplify right side
    726,778,205.11x = 414,735,581,008,012,224
  5. Step 5: Solve for x
    x = 414,735,581,008,012,224/726,778,205.11
  6. Step 6: Final answer
    x = 570,649,447.23

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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.