Home / 445,215,435.30-667,510,231.32-196,102,465.74

Finding the Fourth Proportional to 445,215,435.30, 667,510,231.32 and 196,102,465.74

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Solution

The fourth proportional to 445,215,435.30, 667,510,231.32 and 196,102,465.74 is: 294,015,867.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,215,435.30 : 667,510,231.32 = 196,102,465.74 : x
  2. Step 2: Convert to fraction form
    445,215,435.30/667,510,231.32 = 196,102,465.74/x
  3. Step 3: Cross multiply
    445,215,435.30x = 667,510,231.32 × 196,102,465.74
  4. Step 4: Simplify right side
    445,215,435.30x = 130,900,402,268,529,792
  5. Step 5: Solve for x
    x = 130,900,402,268,529,792/445,215,435.30
  6. Step 6: Final answer
    x = 294,015,867.13

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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.