Home / 442,016,958.36-662,912,346.40-131,051,859.76

Finding the Fourth Proportional to 442,016,958.36, 662,912,346.40 and 131,051,859.76

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Solution

The fourth proportional to 442,016,958.36, 662,912,346.40 and 131,051,859.76 is: 196,544,259.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,016,958.36 : 662,912,346.40 = 131,051,859.76 : x
  2. Step 2: Convert to fraction form
    442,016,958.36/662,912,346.40 = 131,051,859.76/x
  3. Step 3: Cross multiply
    442,016,958.36x = 662,912,346.40 × 131,051,859.76
  4. Step 4: Simplify right side
    442,016,958.36x = 86,875,895,853,585,344
  5. Step 5: Solve for x
    x = 86,875,895,853,585,344/442,016,958.36
  6. Step 6: Final answer
    x = 196,544,259.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.