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Finding the Fourth Proportional to 6,810,093,613.70, 10,215,140,420.55 and 6,810,093,613.70

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Solution

The fourth proportional to 6,810,093,613.70, 10,215,140,420.55 and 6,810,093,613.70 is: 10,215,140,420.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,810,093,613.70 : 10,215,140,420.55 = 6,810,093,613.70 : x
  2. Step 2: Convert to fraction form
    6,810,093,613.70/10,215,140,420.55 = 6,810,093,613.70/x
  3. Step 3: Cross multiply
    6,810,093,613.70x = 10,215,140,420.55 × 6,810,093,613.70
  4. Step 4: Simplify right side
    6,810,093,613.70x = 69,566,062,541,036,281,856
  5. Step 5: Solve for x
    x = 69,566,062,541,036,281,856/6,810,093,613.70
  6. Step 6: Final answer
    x = 10,215,140,420.55

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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.