Home / 7,091,404,458.19-9,786,346,268.13-3,876,492,097.33

Finding the Fourth Proportional to 7,091,404,458.19, 9,786,346,268.13 and 3,876,492,097.33

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Solution

The fourth proportional to 7,091,404,458.19, 9,786,346,268.13 and 3,876,492,097.33 is: 5,349,672,860.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,091,404,458.19 : 9,786,346,268.13 = 3,876,492,097.33 : x
  2. Step 2: Convert to fraction form
    7,091,404,458.19/9,786,346,268.13 = 3,876,492,097.33/x
  3. Step 3: Cross multiply
    7,091,404,458.19x = 9,786,346,268.13 × 3,876,492,097.33
  4. Step 4: Simplify right side
    7,091,404,458.19x = 37,936,693,970,117,394,432
  5. Step 5: Solve for x
    x = 37,936,693,970,117,394,432/7,091,404,458.19
  6. Step 6: Final answer
    x = 5,349,672,860.12

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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.