Home / 407,872,844.10-611,373,679.23-232,618,512.86

Finding the Fourth Proportional to 407,872,844.10, 611,373,679.23 and 232,618,512.86

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Solution

The fourth proportional to 407,872,844.10, 611,373,679.23 and 232,618,512.86 is: 348,679,344.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,872,844.10 : 611,373,679.23 = 232,618,512.86 : x
  2. Step 2: Convert to fraction form
    407,872,844.10/611,373,679.23 = 232,618,512.86/x
  3. Step 3: Cross multiply
    407,872,844.10x = 611,373,679.23 × 232,618,512.86
  4. Step 4: Simplify right side
    407,872,844.10x = 142,216,836,064,594,624
  5. Step 5: Solve for x
    x = 142,216,836,064,594,624/407,872,844.10
  6. Step 6: Final answer
    x = 348,679,344.85

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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.