Home / 13,482,485,244.80-20,223,727,867.20-8,258,207,638.40

Finding the Fourth Proportional to 13,482,485,244.80, 20,223,727,867.20 and 8,258,207,638.40

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Solution

The fourth proportional to 13,482,485,244.80, 20,223,727,867.20 and 8,258,207,638.40 is: 12,387,311,457.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,482,485,244.80 : 20,223,727,867.20 = 8,258,207,638.40 : x
  2. Step 2: Convert to fraction form
    13,482,485,244.80/20,223,727,867.20 = 8,258,207,638.40/x
  3. Step 3: Cross multiply
    13,482,485,244.80x = 20,223,727,867.20 × 8,258,207,638.40
  4. Step 4: Simplify right side
    13,482,485,244.80x = 167,011,743,949,833,994,240
  5. Step 5: Solve for x
    x = 167,011,743,949,833,994,240/13,482,485,244.80
  6. Step 6: Final answer
    x = 12,387,311,457.60

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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.