Home / 622,103,680.60-933,155,520.90-213,023,872.60

Finding the Fourth Proportional to 622,103,680.60, 933,155,520.90 and 213,023,872.60

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Solution

The fourth proportional to 622,103,680.60, 933,155,520.90 and 213,023,872.60 is: 319,535,808.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,103,680.60 : 933,155,520.90 = 213,023,872.60 : x
  2. Step 2: Convert to fraction form
    622,103,680.60/933,155,520.90 = 213,023,872.60/x
  3. Step 3: Cross multiply
    622,103,680.60x = 933,155,520.90 × 213,023,872.60
  4. Step 4: Simplify right side
    622,103,680.60x = 198,784,402,800,188,224
  5. Step 5: Solve for x
    x = 198,784,402,800,188,224/622,103,680.60
  6. Step 6: Final answer
    x = 319,535,808.90

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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.