Home / 458,987,042.72-633,383,632.72-250,138,690.40

Finding the Fourth Proportional to 458,987,042.72, 633,383,632.72 and 250,138,690.40

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Solution

The fourth proportional to 458,987,042.72, 633,383,632.72 and 250,138,690.40 is: 345,181,318.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,987,042.72 : 633,383,632.72 = 250,138,690.40 : x
  2. Step 2: Convert to fraction form
    458,987,042.72/633,383,632.72 = 250,138,690.40/x
  3. Step 3: Cross multiply
    458,987,042.72x = 633,383,632.72 × 250,138,690.40
  4. Step 4: Simplify right side
    458,987,042.72x = 158,433,752,409,375,392
  5. Step 5: Solve for x
    x = 158,433,752,409,375,392/458,987,042.72
  6. Step 6: Final answer
    x = 345,181,318.13

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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.