Home / 421,143,591.44-631,772,874.50-175,442,766.86

Finding the Fourth Proportional to 421,143,591.44, 631,772,874.50 and 175,442,766.86

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Solution

The fourth proportional to 421,143,591.44, 631,772,874.50 and 175,442,766.86 is: 263,188,098.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,143,591.44 : 631,772,874.50 = 175,442,766.86 : x
  2. Step 2: Convert to fraction form
    421,143,591.44/631,772,874.50 = 175,442,766.86/x
  3. Step 3: Cross multiply
    421,143,591.44x = 631,772,874.50 × 175,442,766.86
  4. Step 4: Simplify right side
    421,143,591.44x = 110,839,981,130,077,760
  5. Step 5: Solve for x
    x = 110,839,981,130,077,760/421,143,591.44
  6. Step 6: Final answer
    x = 263,188,098.74

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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.