Home / 5,115,116,784.20-7,058,786,652.43-2,857,088,441.48

Finding the Fourth Proportional to 5,115,116,784.20, 7,058,786,652.43 and 2,857,088,441.48

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Solution

The fourth proportional to 5,115,116,784.20, 7,058,786,652.43 and 2,857,088,441.48 is: 3,942,740,431.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,115,116,784.20 : 7,058,786,652.43 = 2,857,088,441.48 : x
  2. Step 2: Convert to fraction form
    5,115,116,784.20/7,058,786,652.43 = 2,857,088,441.48/x
  3. Step 3: Cross multiply
    5,115,116,784.20x = 7,058,786,652.43 × 2,857,088,441.48
  4. Step 4: Simplify right side
    5,115,116,784.20x = 20,167,577,755,487,760,384
  5. Step 5: Solve for x
    x = 20,167,577,755,487,760,384/5,115,116,784.20
  6. Step 6: Final answer
    x = 3,942,740,431.23

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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.