Home / 3,907,669,740.51-5,862,654,740.39-1,420,491,464.45

Finding the Fourth Proportional to 3,907,669,740.51, 5,862,654,740.39 and 1,420,491,464.45

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Solution

The fourth proportional to 3,907,669,740.51, 5,862,654,740.39 and 1,420,491,464.45 is: 2,131,155,284.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,907,669,740.51 : 5,862,654,740.39 = 1,420,491,464.45 : x
  2. Step 2: Convert to fraction form
    3,907,669,740.51/5,862,654,740.39 = 1,420,491,464.45/x
  3. Step 3: Cross multiply
    3,907,669,740.51x = 5,862,654,740.39 × 1,420,491,464.45
  4. Step 4: Simplify right side
    3,907,669,740.51x = 8,327,851,017,704,909,824
  5. Step 5: Solve for x
    x = 8,327,851,017,704,909,824/3,907,669,740.51
  6. Step 6: Final answer
    x = 2,131,155,284.53

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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.