Home / 712,193,460.36-982,832,745.96-394,659,010.28

Finding the Fourth Proportional to 712,193,460.36, 982,832,745.96 and 394,659,010.28

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Solution

The fourth proportional to 712,193,460.36, 982,832,745.96 and 394,659,010.28 is: 544,632,631.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,193,460.36 : 982,832,745.96 = 394,659,010.28 : x
  2. Step 2: Convert to fraction form
    712,193,460.36/982,832,745.96 = 394,659,010.28/x
  3. Step 3: Cross multiply
    712,193,460.36x = 982,832,745.96 × 394,659,010.28
  4. Step 4: Simplify right side
    712,193,460.36x = 387,883,798,791,348,224
  5. Step 5: Solve for x
    x = 387,883,798,791,348,224/712,193,460.36
  6. Step 6: Final answer
    x = 544,632,631.98

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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.