Home / 342,144,236.80-512,208,585.60-322,212,793.60

Finding the Fourth Proportional to 342,144,236.80, 512,208,585.60 and 322,212,793.60

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Solution

The fourth proportional to 342,144,236.80, 512,208,585.60 and 322,212,793.60 is: 482,370,127.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,144,236.80 : 512,208,585.60 = 322,212,793.60 : x
  2. Step 2: Convert to fraction form
    342,144,236.80/512,208,585.60 = 322,212,793.60/x
  3. Step 3: Cross multiply
    342,144,236.80x = 512,208,585.60 × 322,212,793.60
  4. Step 4: Simplify right side
    342,144,236.80x = 165,040,159,272,080,768
  5. Step 5: Solve for x
    x = 165,040,159,272,080,768/342,144,236.80
  6. Step 6: Final answer
    x = 482,370,127.92

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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.