Home / 465,414,174.72-642,273,507.84-256,565,733.12

Finding the Fourth Proportional to 465,414,174.72, 642,273,507.84 and 256,565,733.12

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Solution

The fourth proportional to 465,414,174.72, 642,273,507.84 and 256,565,733.12 is: 354,061,784.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,414,174.72 : 642,273,507.84 = 256,565,733.12 : x
  2. Step 2: Convert to fraction form
    465,414,174.72/642,273,507.84 = 256,565,733.12/x
  3. Step 3: Cross multiply
    465,414,174.72x = 642,273,507.84 × 256,565,733.12
  4. Step 4: Simplify right side
    465,414,174.72x = 164,785,373,402,523,680
  5. Step 5: Solve for x
    x = 164,785,373,402,523,680/465,414,174.72
  6. Step 6: Final answer
    x = 354,061,784.86

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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.