Home / 269,136,280.40-403,704,420.60-221,306,590.40

Finding the Fourth Proportional to 269,136,280.40, 403,704,420.60 and 221,306,590.40

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Solution

The fourth proportional to 269,136,280.40, 403,704,420.60 and 221,306,590.40 is: 331,959,885.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,136,280.40 : 403,704,420.60 = 221,306,590.40 : x
  2. Step 2: Convert to fraction form
    269,136,280.40/403,704,420.60 = 221,306,590.40/x
  3. Step 3: Cross multiply
    269,136,280.40x = 403,704,420.60 × 221,306,590.40
  4. Step 4: Simplify right side
    269,136,280.40x = 89,342,448,852,393,536
  5. Step 5: Solve for x
    x = 89,342,448,852,393,536/269,136,280.40
  6. Step 6: Final answer
    x = 331,959,885.60

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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.