Home / 6,453,988,708.28-8,906,383,470.49-3,947,678,310.20

Finding the Fourth Proportional to 6,453,988,708.28, 8,906,383,470.49 and 3,947,678,310.20

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Solution

The fourth proportional to 6,453,988,708.28, 8,906,383,470.49 and 3,947,678,310.20 is: 5,447,722,089.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,453,988,708.28 : 8,906,383,470.49 = 3,947,678,310.20 : x
  2. Step 2: Convert to fraction form
    6,453,988,708.28/8,906,383,470.49 = 3,947,678,310.20/x
  3. Step 3: Cross multiply
    6,453,988,708.28x = 8,906,383,470.49 × 3,947,678,310.20
  4. Step 4: Simplify right side
    6,453,988,708.28x = 35,159,536,848,722,771,968
  5. Step 5: Solve for x
    x = 35,159,536,848,722,771,968/6,453,988,708.28
  6. Step 6: Final answer
    x = 5,447,722,089.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.