Home / 1,247,460,654,389-1,721,505,810,823.40-691,275,071,725.15

Finding the Fourth Proportional to 1,247,460,654,389, 1,721,505,810,823.40 and 691,275,071,725.15

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Solution

The fourth proportional to 1,247,460,654,389, 1,721,505,810,823.40 and 691,275,071,725.15 is: 953,965,200,157.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,460,654,389 : 1,721,505,810,823.40 = 691,275,071,725.15 : x
  2. Step 2: Convert to fraction form
    1,247,460,654,389/1,721,505,810,823.40 = 691,275,071,725.15/x
  3. Step 3: Cross multiply
    1,247,460,654,389x = 1,721,505,810,823.40 × 691,275,071,725.15
  4. Step 4: Simplify right side
    1,247,460,654,389x = 1,190,034,052,852,208,361,275,392
  5. Step 5: Solve for x
    x = 1,190,034,052,852,208,361,275,392/1,247,460,654,389
  6. Step 6: Final answer
    x = 953,965,200,157.02

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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.