Home / 494,352,136.80-741,528,205.20-287,444,440.80

Finding the Fourth Proportional to 494,352,136.80, 741,528,205.20 and 287,444,440.80

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Solution

The fourth proportional to 494,352,136.80, 741,528,205.20 and 287,444,440.80 is: 431,166,661.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,352,136.80 : 741,528,205.20 = 287,444,440.80 : x
  2. Step 2: Convert to fraction form
    494,352,136.80/741,528,205.20 = 287,444,440.80/x
  3. Step 3: Cross multiply
    494,352,136.80x = 741,528,205.20 × 287,444,440.80
  4. Step 4: Simplify right side
    494,352,136.80x = 213,148,160,281,141,664
  5. Step 5: Solve for x
    x = 213,148,160,281,141,664/494,352,136.80
  6. Step 6: Final answer
    x = 431,166,661.20

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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.