Home / 419,849,619.20-629,774,428.80-267,172,524.80

Finding the Fourth Proportional to 419,849,619.20, 629,774,428.80 and 267,172,524.80

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Solution

The fourth proportional to 419,849,619.20, 629,774,428.80 and 267,172,524.80 is: 400,758,787.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,849,619.20 : 629,774,428.80 = 267,172,524.80 : x
  2. Step 2: Convert to fraction form
    419,849,619.20/629,774,428.80 = 267,172,524.80/x
  3. Step 3: Cross multiply
    419,849,619.20x = 629,774,428.80 × 267,172,524.80
  4. Step 4: Simplify right side
    419,849,619.20x = 168,258,424,196,973,824
  5. Step 5: Solve for x
    x = 168,258,424,196,973,824/419,849,619.20
  6. Step 6: Final answer
    x = 400,758,787.20

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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.