Home / 547,588,517.12-755,709,229.14-309,351,073.38

Finding the Fourth Proportional to 547,588,517.12, 755,709,229.14 and 309,351,073.38

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Solution

The fourth proportional to 547,588,517.12, 755,709,229.14 and 309,351,073.38 is: 426,925,426.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,588,517.12 : 755,709,229.14 = 309,351,073.38 : x
  2. Step 2: Convert to fraction form
    547,588,517.12/755,709,229.14 = 309,351,073.38/x
  3. Step 3: Cross multiply
    547,588,517.12x = 755,709,229.14 × 309,351,073.38
  4. Step 4: Simplify right side
    547,588,517.12x = 233,779,461,197,631,360
  5. Step 5: Solve for x
    x = 233,779,461,197,631,360/547,588,517.12
  6. Step 6: Final answer
    x = 426,925,426.46

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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.