Home / 487,180,517.76-672,308,387.55-264,161,794.32

Finding the Fourth Proportional to 487,180,517.76, 672,308,387.55 and 264,161,794.32

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Solution

The fourth proportional to 487,180,517.76, 672,308,387.55 and 264,161,794.32 is: 364,542,881.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,180,517.76 : 672,308,387.55 = 264,161,794.32 : x
  2. Step 2: Convert to fraction form
    487,180,517.76/672,308,387.55 = 264,161,794.32/x
  3. Step 3: Cross multiply
    487,180,517.76x = 672,308,387.55 × 264,161,794.32
  4. Step 4: Simplify right side
    487,180,517.76x = 177,598,189,991,593,920
  5. Step 5: Solve for x
    x = 177,598,189,991,593,920/487,180,517.76
  6. Step 6: Final answer
    x = 364,542,881.99

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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.