Home / 466,987,598.48-644,450,546.39-278,832,332.61

Finding the Fourth Proportional to 466,987,598.48, 644,450,546.39 and 278,832,332.61

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Solution

The fourth proportional to 466,987,598.48, 644,450,546.39 and 278,832,332.61 is: 384,793,192.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,987,598.48 : 644,450,546.39 = 278,832,332.61 : x
  2. Step 2: Convert to fraction form
    466,987,598.48/644,450,546.39 = 278,832,332.61/x
  3. Step 3: Cross multiply
    466,987,598.48x = 644,450,546.39 × 278,832,332.61
  4. Step 4: Simplify right side
    466,987,598.48x = 179,693,649,100,318,560
  5. Step 5: Solve for x
    x = 179,693,649,100,318,560/466,987,598.48
  6. Step 6: Final answer
    x = 384,793,192.98

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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.