Home / 354,953,623.89-489,861,348.53-196,180,331.19

Finding the Fourth Proportional to 354,953,623.89, 489,861,348.53 and 196,180,331.19

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Solution

The fourth proportional to 354,953,623.89, 489,861,348.53 and 196,180,331.19 is: 270,742,866.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,953,623.89 : 489,861,348.53 = 196,180,331.19 : x
  2. Step 2: Convert to fraction form
    354,953,623.89/489,861,348.53 = 196,180,331.19/x
  3. Step 3: Cross multiply
    354,953,623.89x = 489,861,348.53 × 196,180,331.19
  4. Step 4: Simplify right side
    354,953,623.89x = 96,101,161,591,795,408
  5. Step 5: Solve for x
    x = 96,101,161,591,795,408/354,953,623.89
  6. Step 6: Final answer
    x = 270,742,866.46

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.