Home / 353,314,063.22-487,581,952.17-196,691,756.90

Finding the Fourth Proportional to 353,314,063.22, 487,581,952.17 and 196,691,756.90

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Solution

The fourth proportional to 353,314,063.22, 487,581,952.17 and 196,691,756.90 is: 271,439,381.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,314,063.22 : 487,581,952.17 = 196,691,756.90 : x
  2. Step 2: Convert to fraction form
    353,314,063.22/487,581,952.17 = 196,691,756.90/x
  3. Step 3: Cross multiply
    353,314,063.22x = 487,581,952.17 × 196,691,756.90
  4. Step 4: Simplify right side
    353,314,063.22x = 95,903,350,805,049,072
  5. Step 5: Solve for x
    x = 95,903,350,805,049,072/353,314,063.22
  6. Step 6: Final answer
    x = 271,439,381.53

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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.