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Finding the Fourth Proportional to 548,353,925.64, 822,532,813.02 and 139,410,119.88

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Solution

The fourth proportional to 548,353,925.64, 822,532,813.02 and 139,410,119.88 is: 209,115,669.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,353,925.64 : 822,532,813.02 = 139,410,119.88 : x
  2. Step 2: Convert to fraction form
    548,353,925.64/822,532,813.02 = 139,410,119.88/x
  3. Step 3: Cross multiply
    548,353,925.64x = 822,532,813.02 × 139,410,119.88
  4. Step 4: Simplify right side
    548,353,925.64x = 114,669,398,068,351,824
  5. Step 5: Solve for x
    x = 114,669,398,068,351,824/548,353,925.64
  6. Step 6: Final answer
    x = 209,115,669.11

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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.