Home / 7,794,508,946.40-11,691,763,419.60-5,315,017,816.80

Finding the Fourth Proportional to 7,794,508,946.40, 11,691,763,419.60 and 5,315,017,816.80

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Solution

The fourth proportional to 7,794,508,946.40, 11,691,763,419.60 and 5,315,017,816.80 is: 7,972,526,725.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,794,508,946.40 : 11,691,763,419.60 = 5,315,017,816.80 : x
  2. Step 2: Convert to fraction form
    7,794,508,946.40/11,691,763,419.60 = 5,315,017,816.80/x
  3. Step 3: Cross multiply
    7,794,508,946.40x = 11,691,763,419.60 × 5,315,017,816.80
  4. Step 4: Simplify right side
    7,794,508,946.40x = 62,141,930,884,984,496,128
  5. Step 5: Solve for x
    x = 62,141,930,884,984,496,128/7,794,508,946.40
  6. Step 6: Final answer
    x = 7,972,526,725.20

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Double scale
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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.