Home / 7,429,969,904.40-11,144,954,856.60-6,861,753,187.20

Finding the Fourth Proportional to 7,429,969,904.40, 11,144,954,856.60 and 6,861,753,187.20

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Solution

The fourth proportional to 7,429,969,904.40, 11,144,954,856.60 and 6,861,753,187.20 is: 10,292,629,780.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,429,969,904.40 : 11,144,954,856.60 = 6,861,753,187.20 : x
  2. Step 2: Convert to fraction form
    7,429,969,904.40/11,144,954,856.60 = 6,861,753,187.20/x
  3. Step 3: Cross multiply
    7,429,969,904.40x = 11,144,954,856.60 × 6,861,753,187.20
  4. Step 4: Simplify right side
    7,429,969,904.40x = 76,473,929,508,475,174,912
  5. Step 5: Solve for x
    x = 76,473,929,508,475,174,912/7,429,969,904.40
  6. Step 6: Final answer
    x = 10,292,629,780.80

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Double scale
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Similar ratio
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1.5x scale

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.