Home / 719,641,003.79-1,079,527,382.21-202,067,956.69

Finding the Fourth Proportional to 719,641,003.79, 1,079,527,382.21 and 202,067,956.69

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Solution

The fourth proportional to 719,641,003.79, 1,079,527,382.21 and 202,067,956.69 is: 303,120,432.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,641,003.79 : 1,079,527,382.21 = 202,067,956.69 : x
  2. Step 2: Convert to fraction form
    719,641,003.79/1,079,527,382.21 = 202,067,956.69/x
  3. Step 3: Cross multiply
    719,641,003.79x = 1,079,527,382.21 × 202,067,956.69
  4. Step 4: Simplify right side
    719,641,003.79x = 218,137,892,311,885,728
  5. Step 5: Solve for x
    x = 218,137,892,311,885,728/719,641,003.79
  6. Step 6: Final answer
    x = 303,120,432.50

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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.