Home / 1,393,691,067.09-1,923,344,422.47-758,580,884.10

Finding the Fourth Proportional to 1,393,691,067.09, 1,923,344,422.47 and 758,580,884.10

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Solution

The fourth proportional to 1,393,691,067.09, 1,923,344,422.47 and 758,580,884.10 is: 1,046,869,243.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,691,067.09 : 1,923,344,422.47 = 758,580,884.10 : x
  2. Step 2: Convert to fraction form
    1,393,691,067.09/1,923,344,422.47 = 758,580,884.10/x
  3. Step 3: Cross multiply
    1,393,691,067.09x = 1,923,344,422.47 × 758,580,884.10
  4. Step 4: Simplify right side
    1,393,691,067.09x = 1,459,012,312,426,096,640
  5. Step 5: Solve for x
    x = 1,459,012,312,426,096,640/1,393,691,067.09
  6. Step 6: Final answer
    x = 1,046,869,243.03

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Double scale
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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.