Home / 548,353,916.64-822,532,799.52-139,410,110.88

Finding the Fourth Proportional to 548,353,916.64, 822,532,799.52 and 139,410,110.88

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Solution

The fourth proportional to 548,353,916.64, 822,532,799.52 and 139,410,110.88 is: 209,115,655.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,353,916.64 : 822,532,799.52 = 139,410,110.88 : x
  2. Step 2: Convert to fraction form
    548,353,916.64/822,532,799.52 = 139,410,110.88/x
  3. Step 3: Cross multiply
    548,353,916.64x = 822,532,799.52 × 139,410,110.88
  4. Step 4: Simplify right side
    548,353,916.64x = 114,669,388,783,520,000
  5. Step 5: Solve for x
    x = 114,669,388,783,520,000/548,353,916.64
  6. Step 6: Final answer
    x = 209,115,655.61

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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.