Home / 343,327,458.72-473,777,470.80-194,658,581.28

Finding the Fourth Proportional to 343,327,458.72, 473,777,470.80 and 194,658,581.28

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Solution

The fourth proportional to 343,327,458.72, 473,777,470.80 and 194,658,581.28 is: 268,620,665.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,327,458.72 : 473,777,470.80 = 194,658,581.28 : x
  2. Step 2: Convert to fraction form
    343,327,458.72/473,777,470.80 = 194,658,581.28/x
  3. Step 3: Cross multiply
    343,327,458.72x = 473,777,470.80 × 194,658,581.28
  4. Step 4: Simplify right side
    343,327,458.72x = 92,224,850,308,354,624
  5. Step 5: Solve for x
    x = 92,224,850,308,354,624/343,327,458.72
  6. Step 6: Final answer
    x = 268,620,665.10

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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.