Home / 360,557,952.18-540,836,087.22-236,841,507.78

Finding the Fourth Proportional to 360,557,952.18, 540,836,087.22 and 236,841,507.78

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Solution

The fourth proportional to 360,557,952.18, 540,836,087.22 and 236,841,507.78 is: 355,261,709.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,557,952.18 : 540,836,087.22 = 236,841,507.78 : x
  2. Step 2: Convert to fraction form
    360,557,952.18/540,836,087.22 = 236,841,507.78/x
  3. Step 3: Cross multiply
    360,557,952.18x = 540,836,087.22 × 236,841,507.78
  4. Step 4: Simplify right side
    360,557,952.18x = 128,092,434,359,020,400
  5. Step 5: Solve for x
    x = 128,092,434,359,020,400/360,557,952.18
  6. Step 6: Final answer
    x = 355,261,709.21

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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.