Home / 472,330,861.20-708,595,824.60-199,561,222.80

Finding the Fourth Proportional to 472,330,861.20, 708,595,824.60 and 199,561,222.80

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Solution

The fourth proportional to 472,330,861.20, 708,595,824.60 and 199,561,222.80 is: 299,383,887.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,330,861.20 : 708,595,824.60 = 199,561,222.80 : x
  2. Step 2: Convert to fraction form
    472,330,861.20/708,595,824.60 = 199,561,222.80/x
  3. Step 3: Cross multiply
    472,330,861.20x = 708,595,824.60 × 199,561,222.80
  4. Step 4: Simplify right side
    472,330,861.20x = 141,408,249,228,150,336
  5. Step 5: Solve for x
    x = 141,408,249,228,150,336/472,330,861.20
  6. Step 6: Final answer
    x = 299,383,887.11

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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.