Home / 398,865,962,233.20-598,335,723,467.52-130,256,350,162.56

Finding the Fourth Proportional to 398,865,962,233.20, 598,335,723,467.52 and 130,256,350,162.56

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Solution

The fourth proportional to 398,865,962,233.20, 598,335,723,467.52 and 130,256,350,162.56 is: 195,396,536,406.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,865,962,233.20 : 598,335,723,467.52 = 130,256,350,162.56 : x
  2. Step 2: Convert to fraction form
    398,865,962,233.20/598,335,723,467.52 = 130,256,350,162.56/x
  3. Step 3: Cross multiply
    398,865,962,233.20x = 598,335,723,467.52 × 130,256,350,162.56
  4. Step 4: Simplify right side
    398,865,962,233.20x = 77,937,027,510,753,952,792,576
  5. Step 5: Solve for x
    x = 77,937,027,510,753,952,792,576/398,865,962,233.20
  6. Step 6: Final answer
    x = 195,396,536,406.35

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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.