Home / 11,275,236,149.46-15,556,315,509.81-6,515,778,099.30

Finding the Fourth Proportional to 11,275,236,149.46, 15,556,315,509.81 and 6,515,778,099.30

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Solution

The fourth proportional to 11,275,236,149.46, 15,556,315,509.81 and 6,515,778,099.30 is: 8,989,745,186.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,275,236,149.46 : 15,556,315,509.81 = 6,515,778,099.30 : x
  2. Step 2: Convert to fraction form
    11,275,236,149.46/15,556,315,509.81 = 6,515,778,099.30/x
  3. Step 3: Cross multiply
    11,275,236,149.46x = 15,556,315,509.81 × 6,515,778,099.30
  4. Step 4: Simplify right side
    11,275,236,149.46x = 101,361,499,904,620,904,448
  5. Step 5: Solve for x
    x = 101,361,499,904,620,904,448/11,275,236,149.46
  6. Step 6: Final answer
    x = 8,989,745,186.80

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Double scale
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1.5x scale

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.