Home / 528,840,793.80-793,261,190.70-321,912,102.60

Finding the Fourth Proportional to 528,840,793.80, 793,261,190.70 and 321,912,102.60

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Solution

The fourth proportional to 528,840,793.80, 793,261,190.70 and 321,912,102.60 is: 482,868,153.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,840,793.80 : 793,261,190.70 = 321,912,102.60 : x
  2. Step 2: Convert to fraction form
    528,840,793.80/793,261,190.70 = 321,912,102.60/x
  3. Step 3: Cross multiply
    528,840,793.80x = 793,261,190.70 × 321,912,102.60
  4. Step 4: Simplify right side
    528,840,793.80x = 255,360,377,809,216,608
  5. Step 5: Solve for x
    x = 255,360,377,809,216,608/528,840,793.80
  6. Step 6: Final answer
    x = 482,868,153.90

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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.