Home / 617,932,445.46-852,747,119.16-339,491,905.14

Finding the Fourth Proportional to 617,932,445.46, 852,747,119.16 and 339,491,905.14

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Solution

The fourth proportional to 617,932,445.46, 852,747,119.16 and 339,491,905.14 is: 468,499,018.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,932,445.46 : 852,747,119.16 = 339,491,905.14 : x
  2. Step 2: Convert to fraction form
    617,932,445.46/852,747,119.16 = 339,491,905.14/x
  3. Step 3: Cross multiply
    617,932,445.46x = 852,747,119.16 × 339,491,905.14
  4. Step 4: Simplify right side
    617,932,445.46x = 289,500,744,086,274,944
  5. Step 5: Solve for x
    x = 289,500,744,086,274,944/617,932,445.46
  6. Step 6: Final answer
    x = 468,499,018.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.