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Finding the Fourth Proportional to 25,649,520,079.60, 38,474,280,119.40 and 25,649,520,079.60

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Solution

The fourth proportional to 25,649,520,079.60, 38,474,280,119.40 and 25,649,520,079.60 is: 38,474,280,119.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,649,520,079.60 : 38,474,280,119.40 = 25,649,520,079.60 : x
  2. Step 2: Convert to fraction form
    25,649,520,079.60/38,474,280,119.40 = 25,649,520,079.60/x
  3. Step 3: Cross multiply
    25,649,520,079.60x = 38,474,280,119.40 × 25,649,520,079.60
  4. Step 4: Simplify right side
    25,649,520,079.60x = 986,846,820,470,705,356,800
  5. Step 5: Solve for x
    x = 986,846,820,470,705,356,800/25,649,520,079.60
  6. Step 6: Final answer
    x = 38,474,280,119.40

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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.