Home / 10,081,344,987.40-15,122,017,481.10-2,720,343,886.60

Finding the Fourth Proportional to 10,081,344,987.40, 15,122,017,481.10 and 2,720,343,886.60

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Solution

The fourth proportional to 10,081,344,987.40, 15,122,017,481.10 and 2,720,343,886.60 is: 4,080,515,829.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,081,344,987.40 : 15,122,017,481.10 = 2,720,343,886.60 : x
  2. Step 2: Convert to fraction form
    10,081,344,987.40/15,122,017,481.10 = 2,720,343,886.60/x
  3. Step 3: Cross multiply
    10,081,344,987.40x = 15,122,017,481.10 × 2,720,343,886.60
  4. Step 4: Simplify right side
    10,081,344,987.40x = 41,137,087,807,768,715,264
  5. Step 5: Solve for x
    x = 41,137,087,807,768,715,264/10,081,344,987.40
  6. Step 6: Final answer
    x = 4,080,515,829.90

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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.