Home / 1,247,460,654,387.30-1,721,505,810,821-691,275,071,723.40

Finding the Fourth Proportional to 1,247,460,654,387.30, 1,721,505,810,821 and 691,275,071,723.40

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Solution

The fourth proportional to 1,247,460,654,387.30, 1,721,505,810,821 and 691,275,071,723.40 is: 953,965,200,154.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,460,654,387.30 : 1,721,505,810,821 = 691,275,071,723.40 : x
  2. Step 2: Convert to fraction form
    1,247,460,654,387.30/1,721,505,810,821 = 691,275,071,723.40/x
  3. Step 3: Cross multiply
    1,247,460,654,387.30x = 1,721,505,810,821 × 691,275,071,723.40
  4. Step 4: Simplify right side
    1,247,460,654,387.30x = 1,190,034,052,847,536,644,816,896
  5. Step 5: Solve for x
    x = 1,190,034,052,847,536,644,816,896/1,247,460,654,387.30
  6. Step 6: Final answer
    x = 953,965,200,154.57

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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.