Home / 472,431,025.80-708,646,538.70-403,556,272.20

Finding the Fourth Proportional to 472,431,025.80, 708,646,538.70 and 403,556,272.20

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Solution

The fourth proportional to 472,431,025.80, 708,646,538.70 and 403,556,272.20 is: 605,334,408.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,431,025.80 : 708,646,538.70 = 403,556,272.20 : x
  2. Step 2: Convert to fraction form
    472,431,025.80/708,646,538.70 = 403,556,272.20/x
  3. Step 3: Cross multiply
    472,431,025.80x = 708,646,538.70 × 403,556,272.20
  4. Step 4: Simplify right side
    472,431,025.80x = 285,978,755,465,205,056
  5. Step 5: Solve for x
    x = 285,978,755,465,205,056/472,431,025.80
  6. Step 6: Final answer
    x = 605,334,408.30

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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.