Home / 669,110,162.12-1,003,553,921.55-202,660,685.74

Finding the Fourth Proportional to 669,110,162.12, 1,003,553,921.55 and 202,660,685.74

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Solution

The fourth proportional to 669,110,162.12, 1,003,553,921.55 and 202,660,685.74 is: 303,957,311.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,110,162.12 : 1,003,553,921.55 = 202,660,685.74 : x
  2. Step 2: Convert to fraction form
    669,110,162.12/1,003,553,921.55 = 202,660,685.74/x
  3. Step 3: Cross multiply
    669,110,162.12x = 1,003,553,921.55 × 202,660,685.74
  4. Step 4: Simplify right side
    669,110,162.12x = 203,380,925,916,650,400
  5. Step 5: Solve for x
    x = 203,380,925,916,650,400/669,110,162.12
  6. Step 6: Final answer
    x = 303,957,311.41

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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.