Home / 391,583,839,679.10-587,375,759,518.65-108,602,135,999.10

Finding the Fourth Proportional to 391,583,839,679.10, 587,375,759,518.65 and 108,602,135,999.10

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Solution

The fourth proportional to 391,583,839,679.10, 587,375,759,518.65 and 108,602,135,999.10 is: 162,903,203,998.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,583,839,679.10 : 587,375,759,518.65 = 108,602,135,999.10 : x
  2. Step 2: Convert to fraction form
    391,583,839,679.10/587,375,759,518.65 = 108,602,135,999.10/x
  3. Step 3: Cross multiply
    391,583,839,679.10x = 587,375,759,518.65 × 108,602,135,999.10
  4. Step 4: Simplify right side
    391,583,839,679.10x = 63,790,262,117,819,087,847,424
  5. Step 5: Solve for x
    x = 63,790,262,117,819,087,847,424/391,583,839,679.10
  6. Step 6: Final answer
    x = 162,903,203,998.65

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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.