Home / 8,301,129,661.60-12,451,694,492.40-7,942,867,568.80

Finding the Fourth Proportional to 8,301,129,661.60, 12,451,694,492.40 and 7,942,867,568.80

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Solution

The fourth proportional to 8,301,129,661.60, 12,451,694,492.40 and 7,942,867,568.80 is: 11,914,301,353.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,301,129,661.60 : 12,451,694,492.40 = 7,942,867,568.80 : x
  2. Step 2: Convert to fraction form
    8,301,129,661.60/12,451,694,492.40 = 7,942,867,568.80/x
  3. Step 3: Cross multiply
    8,301,129,661.60x = 12,451,694,492.40 × 7,942,867,568.80
  4. Step 4: Simplify right side
    8,301,129,661.60x = 98,902,160,360,289,533,952
  5. Step 5: Solve for x
    x = 98,902,160,360,289,533,952/8,301,129,661.60
  6. Step 6: Final answer
    x = 11,914,301,353.20

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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.