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Finding the Fourth Proportional to 9,167,387,869.20, 13,751,081,803.80 and 9,167,387,869.20

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Solution

The fourth proportional to 9,167,387,869.20, 13,751,081,803.80 and 9,167,387,869.20 is: 13,751,081,803.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,167,387,869.20 : 13,751,081,803.80 = 9,167,387,869.20 : x
  2. Step 2: Convert to fraction form
    9,167,387,869.20/13,751,081,803.80 = 9,167,387,869.20/x
  3. Step 3: Cross multiply
    9,167,387,869.20x = 13,751,081,803.80 × 9,167,387,869.20
  4. Step 4: Simplify right side
    9,167,387,869.20x = 126,061,500,516,532,977,664
  5. Step 5: Solve for x
    x = 126,061,500,516,532,977,664/9,167,387,869.20
  6. Step 6: Final answer
    x = 13,751,081,803.80

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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.