Home / 214,819,453.20-321,473,352.60-196,679,600.40

Finding the Fourth Proportional to 214,819,453.20, 321,473,352.60 and 196,679,600.40

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Solution

The fourth proportional to 214,819,453.20, 321,473,352.60 and 196,679,600.40 is: 294,327,397.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,819,453.20 : 321,473,352.60 = 196,679,600.40 : x
  2. Step 2: Convert to fraction form
    214,819,453.20/321,473,352.60 = 196,679,600.40/x
  3. Step 3: Cross multiply
    214,819,453.20x = 321,473,352.60 × 196,679,600.40
  4. Step 4: Simplify right side
    214,819,453.20x = 63,227,250,528,616,304
  5. Step 5: Solve for x
    x = 63,227,250,528,616,304/214,819,453.20
  6. Step 6: Final answer
    x = 294,327,397.20

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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.