Home / 365,975,398.32-505,054,824.32-198,718,709.10

Finding the Fourth Proportional to 365,975,398.32, 505,054,824.32 and 198,718,709.10

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Solution

The fourth proportional to 365,975,398.32, 505,054,824.32 and 198,718,709.10 is: 274,236,583.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,975,398.32 : 505,054,824.32 = 198,718,709.10 : x
  2. Step 2: Convert to fraction form
    365,975,398.32/505,054,824.32 = 198,718,709.10/x
  3. Step 3: Cross multiply
    365,975,398.32x = 505,054,824.32 × 198,718,709.10
  4. Step 4: Simplify right side
    365,975,398.32x = 100,363,842,713,597,680
  5. Step 5: Solve for x
    x = 100,363,842,713,597,680/365,975,398.32
  6. Step 6: Final answer
    x = 274,236,583.04

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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.