Home / 1,728,205,236.71-2,592,314,580.54-418,105,187.12

Finding the Fourth Proportional to 1,728,205,236.71, 2,592,314,580.54 and 418,105,187.12

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Solution

The fourth proportional to 1,728,205,236.71, 2,592,314,580.54 and 418,105,187.12 is: 627,159,407.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,205,236.71 : 2,592,314,580.54 = 418,105,187.12 : x
  2. Step 2: Convert to fraction form
    1,728,205,236.71/2,592,314,580.54 = 418,105,187.12/x
  3. Step 3: Cross multiply
    1,728,205,236.71x = 2,592,314,580.54 × 418,105,187.12
  4. Step 4: Simplify right side
    1,728,205,236.71x = 1,083,860,172,770,580,992
  5. Step 5: Solve for x
    x = 1,083,860,172,770,580,992/1,728,205,236.71
  6. Step 6: Final answer
    x = 627,159,407.78

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Double scale
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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.