Home / 13,170,074,941.39-18,174,233,173.11-7,454,236,647.10

Finding the Fourth Proportional to 13,170,074,941.39, 18,174,233,173.11 and 7,454,236,647.10

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Solution

The fourth proportional to 13,170,074,941.39, 18,174,233,173.11 and 7,454,236,647.10 is: 10,286,580,414.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,170,074,941.39 : 18,174,233,173.11 = 7,454,236,647.10 : x
  2. Step 2: Convert to fraction form
    13,170,074,941.39/18,174,233,173.11 = 7,454,236,647.10/x
  3. Step 3: Cross multiply
    13,170,074,941.39x = 18,174,233,173.11 × 7,454,236,647.10
  4. Step 4: Simplify right side
    13,170,074,941.39x = 135,475,034,951,937,097,728
  5. Step 5: Solve for x
    x = 135,475,034,951,937,097,728/13,170,074,941.39
  6. Step 6: Final answer
    x = 10,286,580,414.68

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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.