Home / 533,851,401.30-800,777,101.95-419,189,615.70

Finding the Fourth Proportional to 533,851,401.30, 800,777,101.95 and 419,189,615.70

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Solution

The fourth proportional to 533,851,401.30, 800,777,101.95 and 419,189,615.70 is: 628,784,423.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,851,401.30 : 800,777,101.95 = 419,189,615.70 : x
  2. Step 2: Convert to fraction form
    533,851,401.30/800,777,101.95 = 419,189,615.70/x
  3. Step 3: Cross multiply
    533,851,401.30x = 800,777,101.95 × 419,189,615.70
  4. Step 4: Simplify right side
    533,851,401.30x = 335,677,445,627,780,224
  5. Step 5: Solve for x
    x = 335,677,445,627,780,224/533,851,401.30
  6. Step 6: Final answer
    x = 628,784,423.55

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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.