Home / 492,945,657.72-680,286,265.02-272,929,083

Finding the Fourth Proportional to 492,945,657.72, 680,286,265.02 and 272,929,083

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Solution

The fourth proportional to 492,945,657.72, 680,286,265.02 and 272,929,083 is: 376,653,904.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,945,657.72 : 680,286,265.02 = 272,929,083 : x
  2. Step 2: Convert to fraction form
    492,945,657.72/680,286,265.02 = 272,929,083/x
  3. Step 3: Cross multiply
    492,945,657.72x = 680,286,265.02 × 272,929,083
  4. Step 4: Simplify right side
    492,945,657.72x = 185,669,906,489,403,584
  5. Step 5: Solve for x
    x = 185,669,906,489,403,584/492,945,657.72
  6. Step 6: Final answer
    x = 376,653,904.10

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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.