Home / 402,571,596.82-603,707,878.20-140,188,767.74

Finding the Fourth Proportional to 402,571,596.82, 603,707,878.20 and 140,188,767.74

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Solution

The fourth proportional to 402,571,596.82, 603,707,878.20 and 140,188,767.74 is: 210,231,084.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,571,596.82 : 603,707,878.20 = 140,188,767.74 : x
  2. Step 2: Convert to fraction form
    402,571,596.82/603,707,878.20 = 140,188,767.74/x
  3. Step 3: Cross multiply
    402,571,596.82x = 603,707,878.20 × 140,188,767.74
  4. Step 4: Simplify right side
    402,571,596.82x = 84,633,063,519,788,016
  5. Step 5: Solve for x
    x = 84,633,063,519,788,016/402,571,596.82
  6. Step 6: Final answer
    x = 210,231,084.83

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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.