Home / 3,401,360,158.60-5,102,040,309.90-816,431,134.60

Finding the Fourth Proportional to 3,401,360,158.60, 5,102,040,309.90 and 816,431,134.60

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Solution

The fourth proportional to 3,401,360,158.60, 5,102,040,309.90 and 816,431,134.60 is: 1,224,646,719.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,401,360,158.60 : 5,102,040,309.90 = 816,431,134.60 : x
  2. Step 2: Convert to fraction form
    3,401,360,158.60/5,102,040,309.90 = 816,431,134.60/x
  3. Step 3: Cross multiply
    3,401,360,158.60x = 5,102,040,309.90 × 816,431,134.60
  4. Step 4: Simplify right side
    3,401,360,158.60x = 4,165,464,558,986,592,256
  5. Step 5: Solve for x
    x = 4,165,464,558,986,592,256/3,401,360,158.60
  6. Step 6: Final answer
    x = 1,224,646,719.18

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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.