Home / 795,978,919.20-1,193,968,378.80-243,280,279.20

Finding the Fourth Proportional to 795,978,919.20, 1,193,968,378.80 and 243,280,279.20

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Solution

The fourth proportional to 795,978,919.20, 1,193,968,378.80 and 243,280,279.20 is: 364,920,418.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    795,978,919.20 : 1,193,968,378.80 = 243,280,279.20 : x
  2. Step 2: Convert to fraction form
    795,978,919.20/1,193,968,378.80 = 243,280,279.20/x
  3. Step 3: Cross multiply
    795,978,919.20x = 1,193,968,378.80 × 243,280,279.20
  4. Step 4: Simplify right side
    795,978,919.20x = 290,468,960,550,435,328
  5. Step 5: Solve for x
    x = 290,468,960,550,435,328/795,978,919.20
  6. Step 6: Final answer
    x = 364,920,418.80

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1.5x scale

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.