Home / 551,424,187.30-827,136,280.95-449,387,515.30

Finding the Fourth Proportional to 551,424,187.30, 827,136,280.95 and 449,387,515.30

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Solution

The fourth proportional to 551,424,187.30, 827,136,280.95 and 449,387,515.30 is: 674,081,272.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,424,187.30 : 827,136,280.95 = 449,387,515.30 : x
  2. Step 2: Convert to fraction form
    551,424,187.30/827,136,280.95 = 449,387,515.30/x
  3. Step 3: Cross multiply
    551,424,187.30x = 827,136,280.95 × 449,387,515.30
  4. Step 4: Simplify right side
    551,424,187.30x = 371,704,718,110,603,264
  5. Step 5: Solve for x
    x = 371,704,718,110,603,264/551,424,187.30
  6. Step 6: Final answer
    x = 674,081,272.95

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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.