Home / 1,109,969,444.88-1,665,056,512.78-362,989,091.64

Finding the Fourth Proportional to 1,109,969,444.88, 1,665,056,512.78 and 362,989,091.64

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Solution

The fourth proportional to 1,109,969,444.88, 1,665,056,512.78 and 362,989,091.64 is: 544,517,107.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,969,444.88 : 1,665,056,512.78 = 362,989,091.64 : x
  2. Step 2: Convert to fraction form
    1,109,969,444.88/1,665,056,512.78 = 362,989,091.64/x
  3. Step 3: Cross multiply
    1,109,969,444.88x = 1,665,056,512.78 × 362,989,091.64
  4. Step 4: Simplify right side
    1,109,969,444.88x = 604,397,351,108,614,784
  5. Step 5: Solve for x
    x = 604,397,351,108,614,784/1,109,969,444.88
  6. Step 6: Final answer
    x = 544,517,107.11

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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.