Home / 300,919,602.32-414,884,621.88-194,885,657.48

Finding the Fourth Proportional to 300,919,602.32, 414,884,621.88 and 194,885,657.48

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Solution

The fourth proportional to 300,919,602.32, 414,884,621.88 and 194,885,657.48 is: 268,693,237.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,919,602.32 : 414,884,621.88 = 194,885,657.48 : x
  2. Step 2: Convert to fraction form
    300,919,602.32/414,884,621.88 = 194,885,657.48/x
  3. Step 3: Cross multiply
    300,919,602.32x = 414,884,621.88 × 194,885,657.48
  4. Step 4: Simplify right side
    300,919,602.32x = 80,855,062,313,424,992
  5. Step 5: Solve for x
    x = 80,855,062,313,424,992/300,919,602.32
  6. Step 6: Final answer
    x = 268,693,237.96

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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.