Home / 11,411,323,512.75-15,741,083,792.73-7,117,081,499.39

Finding the Fourth Proportional to 11,411,323,512.75, 15,741,083,792.73 and 7,117,081,499.39

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Solution

The fourth proportional to 11,411,323,512.75, 15,741,083,792.73 and 7,117,081,499.39 is: 9,817,491,907.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,411,323,512.75 : 15,741,083,792.73 = 7,117,081,499.39 : x
  2. Step 2: Convert to fraction form
    11,411,323,512.75/15,741,083,792.73 = 7,117,081,499.39/x
  3. Step 3: Cross multiply
    11,411,323,512.75x = 15,741,083,792.73 × 7,117,081,499.39
  4. Step 4: Simplify right side
    11,411,323,512.75x = 112,030,576,241,507,745,792
  5. Step 5: Solve for x
    x = 112,030,576,241,507,745,792/11,411,323,512.75
  6. Step 6: Final answer
    x = 9,817,491,907.61

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.