Home / 1,247,460,654,388-1,721,505,810,822-691,275,071,724.15

Finding the Fourth Proportional to 1,247,460,654,388, 1,721,505,810,822 and 691,275,071,724.15

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Solution

The fourth proportional to 1,247,460,654,388, 1,721,505,810,822 and 691,275,071,724.15 is: 953,965,200,155.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,460,654,388 : 1,721,505,810,822 = 691,275,071,724.15 : x
  2. Step 2: Convert to fraction form
    1,247,460,654,388/1,721,505,810,822 = 691,275,071,724.15/x
  3. Step 3: Cross multiply
    1,247,460,654,388x = 1,721,505,810,822 × 691,275,071,724.15
  4. Step 4: Simplify right side
    1,247,460,654,388x = 1,190,034,052,849,519,040,659,456
  5. Step 5: Solve for x
    x = 1,190,034,052,849,519,040,659,456/1,247,460,654,388
  6. Step 6: Final answer
    x = 953,965,200,155.63

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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.