Home / 9,270,623,999.80-13,905,935,999.70-8,427,120,844.60

Finding the Fourth Proportional to 9,270,623,999.80, 13,905,935,999.70 and 8,427,120,844.60

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Solution

The fourth proportional to 9,270,623,999.80, 13,905,935,999.70 and 8,427,120,844.60 is: 12,640,681,266.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,270,623,999.80 : 13,905,935,999.70 = 8,427,120,844.60 : x
  2. Step 2: Convert to fraction form
    9,270,623,999.80/13,905,935,999.70 = 8,427,120,844.60/x
  3. Step 3: Cross multiply
    9,270,623,999.80x = 13,905,935,999.70 × 8,427,120,844.60
  4. Step 4: Simplify right side
    9,270,623,999.80x = 117,187,003,126,745,415,680
  5. Step 5: Solve for x
    x = 117,187,003,126,745,415,680/9,270,623,999.80
  6. Step 6: Final answer
    x = 12,640,681,266.90

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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.