Home / 365,975,938.64-505,055,570.68-198,719,248.84

Finding the Fourth Proportional to 365,975,938.64, 505,055,570.68 and 198,719,248.84

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Solution

The fourth proportional to 365,975,938.64, 505,055,570.68 and 198,719,248.84 is: 274,237,328.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,975,938.64 : 505,055,570.68 = 198,719,248.84 : x
  2. Step 2: Convert to fraction form
    365,975,938.64/505,055,570.68 = 198,719,248.84/x
  3. Step 3: Cross multiply
    365,975,938.64x = 505,055,570.68 × 198,719,248.84
  4. Step 4: Simplify right side
    365,975,938.64x = 100,364,263,627,987,136
  5. Step 5: Solve for x
    x = 100,364,263,627,987,136/365,975,938.64
  6. Step 6: Final answer
    x = 274,237,328.28

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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.