Home / 365,975,399.32-505,054,825.70-198,718,710.10

Finding the Fourth Proportional to 365,975,399.32, 505,054,825.70 and 198,718,710.10

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Solution

The fourth proportional to 365,975,399.32, 505,054,825.70 and 198,718,710.10 is: 274,236,584.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,975,399.32 : 505,054,825.70 = 198,718,710.10 : x
  2. Step 2: Convert to fraction form
    365,975,399.32/505,054,825.70 = 198,718,710.10/x
  3. Step 3: Cross multiply
    365,975,399.32x = 505,054,825.70 × 198,718,710.10
  4. Step 4: Simplify right side
    365,975,399.32x = 100,363,843,492,884,320
  5. Step 5: Solve for x
    x = 100,363,843,492,884,320/365,975,399.32
  6. Step 6: Final answer
    x = 274,236,584.42

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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.