Home / 486,347,730.80-729,566,443.16-158,824,960.44

Finding the Fourth Proportional to 486,347,730.80, 729,566,443.16 and 158,824,960.44

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Solution

The fourth proportional to 486,347,730.80, 729,566,443.16 and 158,824,960.44 is: 238,252,086.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,347,730.80 : 729,566,443.16 = 158,824,960.44 : x
  2. Step 2: Convert to fraction form
    486,347,730.80/729,566,443.16 = 158,824,960.44/x
  3. Step 3: Cross multiply
    486,347,730.80x = 729,566,443.16 × 158,824,960.44
  4. Step 4: Simplify right side
    486,347,730.80x = 115,873,361,473,238,496
  5. Step 5: Solve for x
    x = 115,873,361,473,238,496/486,347,730.80
  6. Step 6: Final answer
    x = 238,252,086.18

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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.