Home / 528,840,784.80-793,261,177.20-321,912,093.60

Finding the Fourth Proportional to 528,840,784.80, 793,261,177.20 and 321,912,093.60

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Solution

The fourth proportional to 528,840,784.80, 793,261,177.20 and 321,912,093.60 is: 482,868,140.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,840,784.80 : 793,261,177.20 = 321,912,093.60 : x
  2. Step 2: Convert to fraction form
    528,840,784.80/793,261,177.20 = 321,912,093.60/x
  3. Step 3: Cross multiply
    528,840,784.80x = 793,261,177.20 × 321,912,093.60
  4. Step 4: Simplify right side
    528,840,784.80x = 255,360,366,324,052,608
  5. Step 5: Solve for x
    x = 255,360,366,324,052,608/528,840,784.80
  6. Step 6: Final answer
    x = 482,868,140.40

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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.