Home / 1,338,714,778.80-2,008,072,168.20-930,568,090.80

Finding the Fourth Proportional to 1,338,714,778.80, 2,008,072,168.20 and 930,568,090.80

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Solution

The fourth proportional to 1,338,714,778.80, 2,008,072,168.20 and 930,568,090.80 is: 1,395,852,136.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,714,778.80 : 2,008,072,168.20 = 930,568,090.80 : x
  2. Step 2: Convert to fraction form
    1,338,714,778.80/2,008,072,168.20 = 930,568,090.80/x
  3. Step 3: Cross multiply
    1,338,714,778.80x = 2,008,072,168.20 × 930,568,090.80
  4. Step 4: Simplify right side
    1,338,714,778.80x = 1,868,647,883,750,490,368
  5. Step 5: Solve for x
    x = 1,868,647,883,750,490,368/1,338,714,778.80
  6. Step 6: Final answer
    x = 1,395,852,136.20

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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.