Home / 342,145,865.80-512,211,029.10-322,214,422.60

Finding the Fourth Proportional to 342,145,865.80, 512,211,029.10 and 322,214,422.60

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Solution

The fourth proportional to 342,145,865.80, 512,211,029.10 and 322,214,422.60 is: 482,372,571.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,145,865.80 : 512,211,029.10 = 322,214,422.60 : x
  2. Step 2: Convert to fraction form
    342,145,865.80/512,211,029.10 = 322,214,422.60/x
  3. Step 3: Cross multiply
    342,145,865.80x = 512,211,029.10 × 322,214,422.60
  4. Step 4: Simplify right side
    342,145,865.80x = 165,041,780,990,808,320
  5. Step 5: Solve for x
    x = 165,041,780,990,808,320/342,145,865.80
  6. Step 6: Final answer
    x = 482,372,571.14

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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.