Home / 10,305,674,801.70-15,458,512,202.55-8,709,367,755.30

Finding the Fourth Proportional to 10,305,674,801.70, 15,458,512,202.55 and 8,709,367,755.30

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Solution

The fourth proportional to 10,305,674,801.70, 15,458,512,202.55 and 8,709,367,755.30 is: 13,064,051,632.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,305,674,801.70 : 15,458,512,202.55 = 8,709,367,755.30 : x
  2. Step 2: Convert to fraction form
    10,305,674,801.70/15,458,512,202.55 = 8,709,367,755.30/x
  3. Step 3: Cross multiply
    10,305,674,801.70x = 15,458,512,202.55 × 8,709,367,755.30
  4. Step 4: Simplify right side
    10,305,674,801.70x = 134,633,867,721,800,531,968
  5. Step 5: Solve for x
    x = 134,633,867,721,800,531,968/10,305,674,801.70
  6. Step 6: Final answer
    x = 13,064,051,632.95

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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.