Home / 7,085,894,016.80-10,628,841,025.20-5,116,586,247.20

Finding the Fourth Proportional to 7,085,894,016.80, 10,628,841,025.20 and 5,116,586,247.20

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Solution

The fourth proportional to 7,085,894,016.80, 10,628,841,025.20 and 5,116,586,247.20 is: 7,674,879,370.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,085,894,016.80 : 10,628,841,025.20 = 5,116,586,247.20 : x
  2. Step 2: Convert to fraction form
    7,085,894,016.80/10,628,841,025.20 = 5,116,586,247.20/x
  3. Step 3: Cross multiply
    7,085,894,016.80x = 10,628,841,025.20 × 5,116,586,247.20
  4. Step 4: Simplify right side
    7,085,894,016.80x = 54,383,381,813,213,470,720
  5. Step 5: Solve for x
    x = 54,383,381,813,213,470,720/7,085,894,016.80
  6. Step 6: Final answer
    x = 7,674,879,370.80

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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.