Home / 602,292,136.80-903,438,205.20-449,237,128.80

Finding the Fourth Proportional to 602,292,136.80, 903,438,205.20 and 449,237,128.80

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Solution

The fourth proportional to 602,292,136.80, 903,438,205.20 and 449,237,128.80 is: 673,855,693.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,292,136.80 : 903,438,205.20 = 449,237,128.80 : x
  2. Step 2: Convert to fraction form
    602,292,136.80/903,438,205.20 = 449,237,128.80/x
  3. Step 3: Cross multiply
    602,292,136.80x = 903,438,205.20 × 449,237,128.80
  4. Step 4: Simplify right side
    602,292,136.80x = 405,857,985,352,273,280
  5. Step 5: Solve for x
    x = 405,857,985,352,273,280/602,292,136.80
  6. Step 6: Final answer
    x = 673,855,693.20

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Similar ratio
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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.