Home / 347,058,956.39-478,950,171.98-190,426,021.86

Finding the Fourth Proportional to 347,058,956.39, 478,950,171.98 and 190,426,021.86

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Solution

The fourth proportional to 347,058,956.39, 478,950,171.98 and 190,426,021.86 is: 262,792,745.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,058,956.39 : 478,950,171.98 = 190,426,021.86 : x
  2. Step 2: Convert to fraction form
    347,058,956.39/478,950,171.98 = 190,426,021.86/x
  3. Step 3: Cross multiply
    347,058,956.39x = 478,950,171.98 × 190,426,021.86
  4. Step 4: Simplify right side
    347,058,956.39x = 91,204,575,918,362,128
  5. Step 5: Solve for x
    x = 91,204,575,918,362,128/347,058,956.39
  6. Step 6: Final answer
    x = 262,792,745.27

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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.