Home / 1,113,962,174.15-1,537,309,287.56-667,998,144.59

Finding the Fourth Proportional to 1,113,962,174.15, 1,537,309,287.56 and 667,998,144.59

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Solution

The fourth proportional to 1,113,962,174.15, 1,537,309,287.56 and 667,998,144.59 is: 921,862,317.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,962,174.15 : 1,537,309,287.56 = 667,998,144.59 : x
  2. Step 2: Convert to fraction form
    1,113,962,174.15/1,537,309,287.56 = 667,998,144.59/x
  3. Step 3: Cross multiply
    1,113,962,174.15x = 1,537,309,287.56 × 667,998,144.59
  4. Step 4: Simplify right side
    1,113,962,174.15x = 1,026,919,751,751,054,720
  5. Step 5: Solve for x
    x = 1,026,919,751,751,054,720/1,113,962,174.15
  6. Step 6: Final answer
    x = 921,862,317.75

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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.