Home / 7,242,698,655.60-10,864,047,983.40-3,928,101,138.60

Finding the Fourth Proportional to 7,242,698,655.60, 10,864,047,983.40 and 3,928,101,138.60

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Solution

The fourth proportional to 7,242,698,655.60, 10,864,047,983.40 and 3,928,101,138.60 is: 5,892,151,707.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,242,698,655.60 : 10,864,047,983.40 = 3,928,101,138.60 : x
  2. Step 2: Convert to fraction form
    7,242,698,655.60/10,864,047,983.40 = 3,928,101,138.60/x
  3. Step 3: Cross multiply
    7,242,698,655.60x = 10,864,047,983.40 × 3,928,101,138.60
  4. Step 4: Simplify right side
    7,242,698,655.60x = 42,675,079,253,398,568,960
  5. Step 5: Solve for x
    x = 42,675,079,253,398,568,960/7,242,698,655.60
  6. Step 6: Final answer
    x = 5,892,151,707.90

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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.