Home / 372,703,745.28-514,354,180.25-205,439,629.82

Finding the Fourth Proportional to 372,703,745.28, 514,354,180.25 and 205,439,629.82

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Solution

The fourth proportional to 372,703,745.28, 514,354,180.25 and 205,439,629.82 is: 283,519,373.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,703,745.28 : 514,354,180.25 = 205,439,629.82 : x
  2. Step 2: Convert to fraction form
    372,703,745.28/514,354,180.25 = 205,439,629.82/x
  3. Step 3: Cross multiply
    372,703,745.28x = 514,354,180.25 × 205,439,629.82
  4. Step 4: Simplify right side
    372,703,745.28x = 105,668,732,384,871,376
  5. Step 5: Solve for x
    x = 105,668,732,384,871,376/372,703,745.28
  6. Step 6: Final answer
    x = 283,519,373.56

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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.