Home / 386,783,492.73-580,376,793.02-171,322,352.25

Finding the Fourth Proportional to 386,783,492.73, 580,376,793.02 and 171,322,352.25

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Solution

The fourth proportional to 386,783,492.73, 580,376,793.02 and 171,322,352.25 is: 257,072,804.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,783,492.73 : 580,376,793.02 = 171,322,352.25 : x
  2. Step 2: Convert to fraction form
    386,783,492.73/580,376,793.02 = 171,322,352.25/x
  3. Step 3: Cross multiply
    386,783,492.73x = 580,376,793.02 × 171,322,352.25
  4. Step 4: Simplify right side
    386,783,492.73x = 99,431,517,370,641,168
  5. Step 5: Solve for x
    x = 99,431,517,370,641,168/386,783,492.73
  6. Step 6: Final answer
    x = 257,072,804.91

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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.