Home / 3,916,640,393.10-5,404,913,042.72-2,132,473,381.88

Finding the Fourth Proportional to 3,916,640,393.10, 5,404,913,042.72 and 2,132,473,381.88

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Solution

The fourth proportional to 3,916,640,393.10, 5,404,913,042.72 and 2,132,473,381.88 is: 2,942,785,662.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,916,640,393.10 : 5,404,913,042.72 = 2,132,473,381.88 : x
  2. Step 2: Convert to fraction form
    3,916,640,393.10/5,404,913,042.72 = 2,132,473,381.88/x
  3. Step 3: Cross multiply
    3,916,640,393.10x = 5,404,913,042.72 × 2,132,473,381.88
  4. Step 4: Simplify right side
    3,916,640,393.10x = 11,525,833,194,938,753,024
  5. Step 5: Solve for x
    x = 11,525,833,194,938,753,024/3,916,640,393.10
  6. Step 6: Final answer
    x = 2,942,785,662.74

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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.