Home / 472,311,794.20-708,672,308.12-253,707,082.60

Finding the Fourth Proportional to 472,311,794.20, 708,672,308.12 and 253,707,082.60

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Solution

The fourth proportional to 472,311,794.20, 708,672,308.12 and 253,707,082.60 is: 380,670,535.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,311,794.20 : 708,672,308.12 = 253,707,082.60 : x
  2. Step 2: Convert to fraction form
    472,311,794.20/708,672,308.12 = 253,707,082.60/x
  3. Step 3: Cross multiply
    472,311,794.20x = 708,672,308.12 × 253,707,082.60
  4. Step 4: Simplify right side
    472,311,794.20x = 179,795,183,812,533,472
  5. Step 5: Solve for x
    x = 179,795,183,812,533,472/472,311,794.20
  6. Step 6: Final answer
    x = 380,670,535.91

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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.