Home / 8,503,073,145.90-12,754,609,718.85-5,380,750,982.70

Finding the Fourth Proportional to 8,503,073,145.90, 12,754,609,718.85 and 5,380,750,982.70

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Solution

The fourth proportional to 8,503,073,145.90, 12,754,609,718.85 and 5,380,750,982.70 is: 8,071,126,474.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,503,073,145.90 : 12,754,609,718.85 = 5,380,750,982.70 : x
  2. Step 2: Convert to fraction form
    8,503,073,145.90/12,754,609,718.85 = 5,380,750,982.70/x
  3. Step 3: Cross multiply
    8,503,073,145.90x = 12,754,609,718.85 × 5,380,750,982.70
  4. Step 4: Simplify right side
    8,503,073,145.90x = 68,629,378,778,657,103,872
  5. Step 5: Solve for x
    x = 68,629,378,778,657,103,872/8,503,073,145.90
  6. Step 6: Final answer
    x = 8,071,126,474.05

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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.