Home / 2,126,207,321.40-3,189,310,982.10-1,305,658,918.20

Finding the Fourth Proportional to 2,126,207,321.40, 3,189,310,982.10 and 1,305,658,918.20

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Solution

The fourth proportional to 2,126,207,321.40, 3,189,310,982.10 and 1,305,658,918.20 is: 1,958,488,377.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126,207,321.40 : 3,189,310,982.10 = 1,305,658,918.20 : x
  2. Step 2: Convert to fraction form
    2,126,207,321.40/3,189,310,982.10 = 1,305,658,918.20/x
  3. Step 3: Cross multiply
    2,126,207,321.40x = 3,189,310,982.10 × 1,305,658,918.20
  4. Step 4: Simplify right side
    2,126,207,321.40x = 4,164,152,326,692,065,792
  5. Step 5: Solve for x
    x = 4,164,152,326,692,065,792/2,126,207,321.40
  6. Step 6: Final answer
    x = 1,958,488,377.30

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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.