Home / 342,145,866.80-512,211,030.60-322,214,423.60

Finding the Fourth Proportional to 342,145,866.80, 512,211,030.60 and 322,214,423.60

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Solution

The fourth proportional to 342,145,866.80, 512,211,030.60 and 322,214,423.60 is: 482,372,572.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,145,866.80 : 512,211,030.60 = 322,214,423.60 : x
  2. Step 2: Convert to fraction form
    342,145,866.80/512,211,030.60 = 322,214,423.60/x
  3. Step 3: Cross multiply
    342,145,866.80x = 512,211,030.60 × 322,214,423.60
  4. Step 4: Simplify right side
    342,145,866.80x = 165,041,781,986,340,992
  5. Step 5: Solve for x
    x = 165,041,781,986,340,992/342,145,866.80
  6. Step 6: Final answer
    x = 482,372,572.64

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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.