Home / 353,321,393.73-487,587,131.55-194,566,279.60

Finding the Fourth Proportional to 353,321,393.73, 487,587,131.55 and 194,566,279.60

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Solution

The fourth proportional to 353,321,393.73, 487,587,131.55 and 194,566,279.60 is: 268,503,452.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,321,393.73 : 487,587,131.55 = 194,566,279.60 : x
  2. Step 2: Convert to fraction form
    353,321,393.73/487,587,131.55 = 194,566,279.60/x
  3. Step 3: Cross multiply
    353,321,393.73x = 487,587,131.55 × 194,566,279.60
  4. Step 4: Simplify right side
    353,321,393.73x = 94,868,014,167,128,768
  5. Step 5: Solve for x
    x = 94,868,014,167,128,768/353,321,393.73
  6. Step 6: Final answer
    x = 268,503,452.81

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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.