Home / 278,375,118.20-416,570,654.10-242,378,847.80

Finding the Fourth Proportional to 278,375,118.20, 416,570,654.10 and 242,378,847.80

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Solution

The fourth proportional to 278,375,118.20, 416,570,654.10 and 242,378,847.80 is: 362,704,525.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,375,118.20 : 416,570,654.10 = 242,378,847.80 : x
  2. Step 2: Convert to fraction form
    278,375,118.20/416,570,654.10 = 242,378,847.80/x
  3. Step 3: Cross multiply
    278,375,118.20x = 416,570,654.10 × 242,378,847.80
  4. Step 4: Simplify right side
    278,375,118.20x = 100,967,915,168,050,352
  5. Step 5: Solve for x
    x = 100,967,915,168,050,352/278,375,118.20
  6. Step 6: Final answer
    x = 362,704,525.54

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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.