Home / 492,945,658.72-680,286,266.40-272,929,084

Finding the Fourth Proportional to 492,945,658.72, 680,286,266.40 and 272,929,084

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Solution

The fourth proportional to 492,945,658.72, 680,286,266.40 and 272,929,084 is: 376,653,905.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,945,658.72 : 680,286,266.40 = 272,929,084 : x
  2. Step 2: Convert to fraction form
    492,945,658.72/680,286,266.40 = 272,929,084/x
  3. Step 3: Cross multiply
    492,945,658.72x = 680,286,266.40 × 272,929,084
  4. Step 4: Simplify right side
    492,945,658.72x = 185,669,907,546,331,968
  5. Step 5: Solve for x
    x = 185,669,907,546,331,968/492,945,658.72
  6. Step 6: Final answer
    x = 376,653,905.48

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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.