Home / 343,360,266.30-515,040,399.45-329,967,953.10

Finding the Fourth Proportional to 343,360,266.30, 515,040,399.45 and 329,967,953.10

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Solution

The fourth proportional to 343,360,266.30, 515,040,399.45 and 329,967,953.10 is: 494,951,929.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,360,266.30 : 515,040,399.45 = 329,967,953.10 : x
  2. Step 2: Convert to fraction form
    343,360,266.30/515,040,399.45 = 329,967,953.10/x
  3. Step 3: Cross multiply
    343,360,266.30x = 515,040,399.45 × 329,967,953.10
  4. Step 4: Simplify right side
    343,360,266.30x = 169,946,826,370,322,880
  5. Step 5: Solve for x
    x = 169,946,826,370,322,880/343,360,266.30
  6. Step 6: Final answer
    x = 494,951,929.65

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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.