Home / 523,439,726.46-722,375,229.33-300,419,625.06

Finding the Fourth Proportional to 523,439,726.46, 722,375,229.33 and 300,419,625.06

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Solution

The fourth proportional to 523,439,726.46, 722,375,229.33 and 300,419,625.06 is: 414,595,386.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,439,726.46 : 722,375,229.33 = 300,419,625.06 : x
  2. Step 2: Convert to fraction form
    523,439,726.46/722,375,229.33 = 300,419,625.06/x
  3. Step 3: Cross multiply
    523,439,726.46x = 722,375,229.33 × 300,419,625.06
  4. Step 4: Simplify right side
    523,439,726.46x = 217,015,695,547,950,144
  5. Step 5: Solve for x
    x = 217,015,695,547,950,144/523,439,726.46
  6. Step 6: Final answer
    x = 414,595,386.21

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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.