Home / 420,880,920.50-580,792,241.94-232,698,334.90

Finding the Fourth Proportional to 420,880,920.50, 580,792,241.94 and 232,698,334.90

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Solution

The fourth proportional to 420,880,920.50, 580,792,241.94 and 232,698,334.90 is: 321,110,749.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,880,920.50 : 580,792,241.94 = 232,698,334.90 : x
  2. Step 2: Convert to fraction form
    420,880,920.50/580,792,241.94 = 232,698,334.90/x
  3. Step 3: Cross multiply
    420,880,920.50x = 580,792,241.94 × 232,698,334.90
  4. Step 4: Simplify right side
    420,880,920.50x = 135,149,387,619,951,344
  5. Step 5: Solve for x
    x = 135,149,387,619,951,344/420,880,920.50
  6. Step 6: Final answer
    x = 321,110,749.00

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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.