Home / 279,687,837.48-385,846,771.54-266,720,677

Finding the Fourth Proportional to 279,687,837.48, 385,846,771.54 and 266,720,677

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Solution

The fourth proportional to 279,687,837.48, 385,846,771.54 and 266,720,677 is: 367,957,766.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,687,837.48 : 385,846,771.54 = 266,720,677 : x
  2. Step 2: Convert to fraction form
    279,687,837.48/385,846,771.54 = 266,720,677/x
  3. Step 3: Cross multiply
    279,687,837.48x = 385,846,771.54 × 266,720,677
  4. Step 4: Simplify right side
    279,687,837.48x = 102,913,312,123,413,136
  5. Step 5: Solve for x
    x = 102,913,312,123,413,136/279,687,837.48
  6. Step 6: Final answer
    x = 367,957,766.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.