Home / 399,242,077.16-550,975,219.59-240,522,164.39

Finding the Fourth Proportional to 399,242,077.16, 550,975,219.59 and 240,522,164.39

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Solution

The fourth proportional to 399,242,077.16, 550,975,219.59 and 240,522,164.39 is: 331,933,330.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,242,077.16 : 550,975,219.59 = 240,522,164.39 : x
  2. Step 2: Convert to fraction form
    399,242,077.16/550,975,219.59 = 240,522,164.39/x
  3. Step 3: Cross multiply
    399,242,077.16x = 550,975,219.59 × 240,522,164.39
  4. Step 4: Simplify right side
    399,242,077.16x = 132,521,752,338,287,456
  5. Step 5: Solve for x
    x = 132,521,752,338,287,456/399,242,077.16
  6. Step 6: Final answer
    x = 331,933,330.48

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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.