Home / 486,347,723.43-729,566,432.13-158,824,953.09

Finding the Fourth Proportional to 486,347,723.43, 729,566,432.13 and 158,824,953.09

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Solution

The fourth proportional to 486,347,723.43, 729,566,432.13 and 158,824,953.09 is: 238,252,075.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,347,723.43 : 729,566,432.13 = 158,824,953.09 : x
  2. Step 2: Convert to fraction form
    486,347,723.43/729,566,432.13 = 158,824,953.09/x
  3. Step 3: Cross multiply
    486,347,723.43x = 729,566,432.13 × 158,824,953.09
  4. Step 4: Simplify right side
    486,347,723.43x = 115,873,354,359,085,920
  5. Step 5: Solve for x
    x = 115,873,354,359,085,920/486,347,723.43
  6. Step 6: Final answer
    x = 238,252,075.17

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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.