Home / 10,081,344,113.15-15,122,016,169.73-2,720,343,012.35

Finding the Fourth Proportional to 10,081,344,113.15, 15,122,016,169.73 and 2,720,343,012.35

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Solution

The fourth proportional to 10,081,344,113.15, 15,122,016,169.73 and 2,720,343,012.35 is: 4,080,514,518.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,081,344,113.15 : 15,122,016,169.73 = 2,720,343,012.35 : x
  2. Step 2: Convert to fraction form
    10,081,344,113.15/15,122,016,169.73 = 2,720,343,012.35/x
  3. Step 3: Cross multiply
    10,081,344,113.15x = 15,122,016,169.73 × 2,720,343,012.35
  4. Step 4: Simplify right side
    10,081,344,113.15x = 41,137,071,019,968,716,800
  5. Step 5: Solve for x
    x = 41,137,071,019,968,716,800/10,081,344,113.15
  6. Step 6: Final answer
    x = 4,080,514,518.53

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Double scale
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Similar ratio
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1.5x scale

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.