Home / 436,975,002.51-655,020,843.48-188,142,569.43

Finding the Fourth Proportional to 436,975,002.51, 655,020,843.48 and 188,142,569.43

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Solution

The fourth proportional to 436,975,002.51, 655,020,843.48 and 188,142,569.43 is: 282,023,694.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,975,002.51 : 655,020,843.48 = 188,142,569.43 : x
  2. Step 2: Convert to fraction form
    436,975,002.51/655,020,843.48 = 188,142,569.43/x
  3. Step 3: Cross multiply
    436,975,002.51x = 655,020,843.48 × 188,142,569.43
  4. Step 4: Simplify right side
    436,975,002.51x = 123,237,304,522,533,072
  5. Step 5: Solve for x
    x = 123,237,304,522,533,072/436,975,002.51
  6. Step 6: Final answer
    x = 282,023,694.30

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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.