Home / 372,158,999.20-558,238,498.80-268,846,868.80

Finding the Fourth Proportional to 372,158,999.20, 558,238,498.80 and 268,846,868.80

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Solution

The fourth proportional to 372,158,999.20, 558,238,498.80 and 268,846,868.80 is: 403,270,303.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,158,999.20 : 558,238,498.80 = 268,846,868.80 : x
  2. Step 2: Convert to fraction form
    372,158,999.20/558,238,498.80 = 268,846,868.80/x
  3. Step 3: Cross multiply
    372,158,999.20x = 558,238,498.80 × 268,846,868.80
  4. Step 4: Simplify right side
    372,158,999.20x = 150,080,672,445,992,544
  5. Step 5: Solve for x
    x = 150,080,672,445,992,544/372,158,999.20
  6. Step 6: Final answer
    x = 403,270,303.20

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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.