Home / 852,399,679.86-1,278,635,393.88-270,156,900.60

Finding the Fourth Proportional to 852,399,679.86, 1,278,635,393.88 and 270,156,900.60

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Solution

The fourth proportional to 852,399,679.86, 1,278,635,393.88 and 270,156,900.60 is: 405,246,720.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,399,679.86 : 1,278,635,393.88 = 270,156,900.60 : x
  2. Step 2: Convert to fraction form
    852,399,679.86/1,278,635,393.88 = 270,156,900.60/x
  3. Step 3: Cross multiply
    852,399,679.86x = 1,278,635,393.88 × 270,156,900.60
  4. Step 4: Simplify right side
    852,399,679.86x = 345,432,175,008,081,088
  5. Step 5: Solve for x
    x = 345,432,175,008,081,088/852,399,679.86
  6. Step 6: Final answer
    x = 405,246,720.72

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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.