Home / 416,218,017.38-574,339,007.04-230,544,341.78

Finding the Fourth Proportional to 416,218,017.38, 574,339,007.04 and 230,544,341.78

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Solution

The fourth proportional to 416,218,017.38, 574,339,007.04 and 230,544,341.78 is: 318,128,006.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,218,017.38 : 574,339,007.04 = 230,544,341.78 : x
  2. Step 2: Convert to fraction form
    416,218,017.38/574,339,007.04 = 230,544,341.78/x
  3. Step 3: Cross multiply
    416,218,017.38x = 574,339,007.04 × 230,544,341.78
  4. Step 4: Simplify right side
    416,218,017.38x = 132,410,608,336,615,584
  5. Step 5: Solve for x
    x = 132,410,608,336,615,584/416,218,017.38
  6. Step 6: Final answer
    x = 318,128,006.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.