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Finding the Fourth Proportional to 6,457,968,279.20, 9,047,277,791.20 and 6,457,968,279.20

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Solution

The fourth proportional to 6,457,968,279.20, 9,047,277,791.20 and 6,457,968,279.20 is: 9,047,277,791.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,457,968,279.20 : 9,047,277,791.20 = 6,457,968,279.20 : x
  2. Step 2: Convert to fraction form
    6,457,968,279.20/9,047,277,791.20 = 6,457,968,279.20/x
  3. Step 3: Cross multiply
    6,457,968,279.20x = 9,047,277,791.20 × 6,457,968,279.20
  4. Step 4: Simplify right side
    6,457,968,279.20x = 58,427,032,988,680,241,152
  5. Step 5: Solve for x
    x = 58,427,032,988,680,241,152/6,457,968,279.20
  6. Step 6: Final answer
    x = 9,047,277,791.20

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.