Home / 603,577,025.20-905,365,537.80-419,911,015.60

Finding the Fourth Proportional to 603,577,025.20, 905,365,537.80 and 419,911,015.60

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Solution

The fourth proportional to 603,577,025.20, 905,365,537.80 and 419,911,015.60 is: 629,866,523.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,577,025.20 : 905,365,537.80 = 419,911,015.60 : x
  2. Step 2: Convert to fraction form
    603,577,025.20/905,365,537.80 = 419,911,015.60/x
  3. Step 3: Cross multiply
    603,577,025.20x = 905,365,537.80 × 419,911,015.60
  4. Step 4: Simplify right side
    603,577,025.20x = 380,172,962,466,838,208
  5. Step 5: Solve for x
    x = 380,172,962,466,838,208/603,577,025.20
  6. Step 6: Final answer
    x = 629,866,523.40

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1.5x scale

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.