Home / 6,438,560,297.70-9,657,840,446.55-3,173,386,793.70

Finding the Fourth Proportional to 6,438,560,297.70, 9,657,840,446.55 and 3,173,386,793.70

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Solution

The fourth proportional to 6,438,560,297.70, 9,657,840,446.55 and 3,173,386,793.70 is: 4,760,080,190.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,438,560,297.70 : 9,657,840,446.55 = 3,173,386,793.70 : x
  2. Step 2: Convert to fraction form
    6,438,560,297.70/9,657,840,446.55 = 3,173,386,793.70/x
  3. Step 3: Cross multiply
    6,438,560,297.70x = 9,657,840,446.55 × 3,173,386,793.70
  4. Step 4: Simplify right side
    6,438,560,297.70x = 30,648,063,328,743,477,248
  5. Step 5: Solve for x
    x = 30,648,063,328,743,477,248/6,438,560,297.70
  6. Step 6: Final answer
    x = 4,760,080,190.55

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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.