Home / 622,756,968.30-934,135,452.45-393,433,397.10

Finding the Fourth Proportional to 622,756,968.30, 934,135,452.45 and 393,433,397.10

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Solution

The fourth proportional to 622,756,968.30, 934,135,452.45 and 393,433,397.10 is: 590,150,095.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,756,968.30 : 934,135,452.45 = 393,433,397.10 : x
  2. Step 2: Convert to fraction form
    622,756,968.30/934,135,452.45 = 393,433,397.10/x
  3. Step 3: Cross multiply
    622,756,968.30x = 934,135,452.45 × 393,433,397.10
  4. Step 4: Simplify right side
    622,756,968.30x = 367,520,084,408,949,056
  5. Step 5: Solve for x
    x = 367,520,084,408,949,056/622,756,968.30
  6. Step 6: Final answer
    x = 590,150,095.65

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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.