Home / 342,146,128.80-513,975,020.40-329,297,066.40

Finding the Fourth Proportional to 342,146,128.80, 513,975,020.40 and 329,297,066.40

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Solution

The fourth proportional to 342,146,128.80, 513,975,020.40 and 329,297,066.40 is: 494,673,042.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,146,128.80 : 513,975,020.40 = 329,297,066.40 : x
  2. Step 2: Convert to fraction form
    342,146,128.80/513,975,020.40 = 329,297,066.40/x
  3. Step 3: Cross multiply
    342,146,128.80x = 513,975,020.40 × 329,297,066.40
  4. Step 4: Simplify right side
    342,146,128.80x = 169,250,466,420,600,128
  5. Step 5: Solve for x
    x = 169,250,466,420,600,128/342,146,128.80
  6. Step 6: Final answer
    x = 494,673,042.23

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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.