Home / 439,057,708.12-658,590,153.72-143,948,520.82

Finding the Fourth Proportional to 439,057,708.12, 658,590,153.72 and 143,948,520.82

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Solution

The fourth proportional to 439,057,708.12, 658,590,153.72 and 143,948,520.82 is: 215,923,958.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,057,708.12 : 658,590,153.72 = 143,948,520.82 : x
  2. Step 2: Convert to fraction form
    439,057,708.12/658,590,153.72 = 143,948,520.82/x
  3. Step 3: Cross multiply
    439,057,708.12x = 658,590,153.72 × 143,948,520.82
  4. Step 4: Simplify right side
    439,057,708.12x = 94,803,078,454,610,416
  5. Step 5: Solve for x
    x = 94,803,078,454,610,416/439,057,708.12
  6. Step 6: Final answer
    x = 215,923,958.74

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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.