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Finding the Fourth Proportional to 6,520,508,718.35, 9,780,763,077.53 and 6,520,508,718.35

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Solution

The fourth proportional to 6,520,508,718.35, 9,780,763,077.53 and 6,520,508,718.35 is: 9,780,763,077.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,520,508,718.35 : 9,780,763,077.53 = 6,520,508,718.35 : x
  2. Step 2: Convert to fraction form
    6,520,508,718.35/9,780,763,077.53 = 6,520,508,718.35/x
  3. Step 3: Cross multiply
    6,520,508,718.35x = 9,780,763,077.53 × 6,520,508,718.35
  4. Step 4: Simplify right side
    6,520,508,718.35x = 63,775,550,919,150,149,632
  5. Step 5: Solve for x
    x = 63,775,550,919,150,149,632/6,520,508,718.35
  6. Step 6: Final answer
    x = 9,780,763,077.53

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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.