Home / 8,722,223,999.40-13,083,335,999.10-5,239,372,261.80

Finding the Fourth Proportional to 8,722,223,999.40, 13,083,335,999.10 and 5,239,372,261.80

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Solution

The fourth proportional to 8,722,223,999.40, 13,083,335,999.10 and 5,239,372,261.80 is: 7,859,058,392.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,722,223,999.40 : 13,083,335,999.10 = 5,239,372,261.80 : x
  2. Step 2: Convert to fraction form
    8,722,223,999.40/13,083,335,999.10 = 5,239,372,261.80/x
  3. Step 3: Cross multiply
    8,722,223,999.40x = 13,083,335,999.10 × 5,239,372,261.80
  4. Step 4: Simplify right side
    8,722,223,999.40x = 68,548,467,725,493,936,128
  5. Step 5: Solve for x
    x = 68,548,467,725,493,936,128/8,722,223,999.40
  6. Step 6: Final answer
    x = 7,859,058,392.70

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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.