Home / 486,347,726.78-729,566,437.14-158,824,956.44

Finding the Fourth Proportional to 486,347,726.78, 729,566,437.14 and 158,824,956.44

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Solution

The fourth proportional to 486,347,726.78, 729,566,437.14 and 158,824,956.44 is: 238,252,080.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,347,726.78 : 729,566,437.14 = 158,824,956.44 : x
  2. Step 2: Convert to fraction form
    486,347,726.78/729,566,437.14 = 158,824,956.44/x
  3. Step 3: Cross multiply
    486,347,726.78x = 729,566,437.14 × 158,824,956.44
  4. Step 4: Simplify right side
    486,347,726.78x = 115,873,357,598,846,496
  5. Step 5: Solve for x
    x = 115,873,357,598,846,496/486,347,726.78
  6. Step 6: Final answer
    x = 238,252,080.19

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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.