Home / 1,247,460,654,427-1,721,505,810,875.90-691,275,071,763.15

Finding the Fourth Proportional to 1,247,460,654,427, 1,721,505,810,875.90 and 691,275,071,763.15

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Solution

The fourth proportional to 1,247,460,654,427, 1,721,505,810,875.90 and 691,275,071,763.15 is: 953,965,200,209.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,460,654,427 : 1,721,505,810,875.90 = 691,275,071,763.15 : x
  2. Step 2: Convert to fraction form
    1,247,460,654,427/1,721,505,810,875.90 = 691,275,071,763.15/x
  3. Step 3: Cross multiply
    1,247,460,654,427x = 1,721,505,810,875.90 × 691,275,071,763.15
  4. Step 4: Simplify right side
    1,247,460,654,427x = 1,190,034,052,953,917,481,811,968
  5. Step 5: Solve for x
    x = 1,190,034,052,953,917,481,811,968/1,247,460,654,427
  6. Step 6: Final answer
    x = 953,965,200,209.49

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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.