Home / 628,375,891.59-867,158,726.76-364,211,111.88

Finding the Fourth Proportional to 628,375,891.59, 867,158,726.76 and 364,211,111.88

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Solution

The fourth proportional to 628,375,891.59, 867,158,726.76 and 364,211,111.88 is: 502,611,332.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,375,891.59 : 867,158,726.76 = 364,211,111.88 : x
  2. Step 2: Convert to fraction form
    628,375,891.59/867,158,726.76 = 364,211,111.88/x
  3. Step 3: Cross multiply
    628,375,891.59x = 867,158,726.76 × 364,211,111.88
  4. Step 4: Simplify right side
    628,375,891.59x = 315,828,844,049,704,704
  5. Step 5: Solve for x
    x = 315,828,844,049,704,704/628,375,891.59
  6. Step 6: Final answer
    x = 502,611,332.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.