Home / 442,956,131.40-664,434,197.10-236,331,870.60

Finding the Fourth Proportional to 442,956,131.40, 664,434,197.10 and 236,331,870.60

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Solution

The fourth proportional to 442,956,131.40, 664,434,197.10 and 236,331,870.60 is: 354,497,805.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,956,131.40 : 664,434,197.10 = 236,331,870.60 : x
  2. Step 2: Convert to fraction form
    442,956,131.40/664,434,197.10 = 236,331,870.60/x
  3. Step 3: Cross multiply
    442,956,131.40x = 664,434,197.10 × 236,331,870.60
  4. Step 4: Simplify right side
    442,956,131.40x = 157,026,976,691,252,096
  5. Step 5: Solve for x
    x = 157,026,976,691,252,096/442,956,131.40
  6. Step 6: Final answer
    x = 354,497,805.90

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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.