Home / 331,915,279.20-497,872,918.80-178,860,271.20

Finding the Fourth Proportional to 331,915,279.20, 497,872,918.80 and 178,860,271.20

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Solution

The fourth proportional to 331,915,279.20, 497,872,918.80 and 178,860,271.20 is: 268,290,406.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,915,279.20 : 497,872,918.80 = 178,860,271.20 : x
  2. Step 2: Convert to fraction form
    331,915,279.20/497,872,918.80 = 178,860,271.20/x
  3. Step 3: Cross multiply
    331,915,279.20x = 497,872,918.80 × 178,860,271.20
  4. Step 4: Simplify right side
    331,915,279.20x = 89,049,685,279,703,568
  5. Step 5: Solve for x
    x = 89,049,685,279,703,568/331,915,279.20
  6. Step 6: Final answer
    x = 268,290,406.80

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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.