Home / 1,324,515,090.80-1,986,772,636.20-404,271,855.20

Finding the Fourth Proportional to 1,324,515,090.80, 1,986,772,636.20 and 404,271,855.20

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Solution

The fourth proportional to 1,324,515,090.80, 1,986,772,636.20 and 404,271,855.20 is: 606,407,782.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,515,090.80 : 1,986,772,636.20 = 404,271,855.20 : x
  2. Step 2: Convert to fraction form
    1,324,515,090.80/1,986,772,636.20 = 404,271,855.20/x
  3. Step 3: Cross multiply
    1,324,515,090.80x = 1,986,772,636.20 × 404,271,855.20
  4. Step 4: Simplify right side
    1,324,515,090.80x = 803,196,259,497,168,640
  5. Step 5: Solve for x
    x = 803,196,259,497,168,640/1,324,515,090.80
  6. Step 6: Final answer
    x = 606,407,782.80

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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.