Home / 28,107,324,861.60-42,160,987,292.40-26,867,579,296.80

Finding the Fourth Proportional to 28,107,324,861.60, 42,160,987,292.40 and 26,867,579,296.80

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Solution

The fourth proportional to 28,107,324,861.60, 42,160,987,292.40 and 26,867,579,296.80 is: 40,301,368,945.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,107,324,861.60 : 42,160,987,292.40 = 26,867,579,296.80 : x
  2. Step 2: Convert to fraction form
    28,107,324,861.60/42,160,987,292.40 = 26,867,579,296.80/x
  3. Step 3: Cross multiply
    28,107,324,861.60x = 42,160,987,292.40 × 26,867,579,296.80
  4. Step 4: Simplify right side
    28,107,324,861.60x = 1,132,763,669,309,934,141,440
  5. Step 5: Solve for x
    x = 1,132,763,669,309,934,141,440/28,107,324,861.60
  6. Step 6: Final answer
    x = 40,301,368,945.20

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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.