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Finding the Fourth Proportional to 1,197,716,826.80, 1,796,256,375.60 and 368,668,866.80

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Solution

The fourth proportional to 1,197,716,826.80, 1,796,256,375.60 and 368,668,866.80 is: 552,905,150.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,716,826.80 : 1,796,256,375.60 = 368,668,866.80 : x
  2. Step 2: Convert to fraction form
    1,197,716,826.80/1,796,256,375.60 = 368,668,866.80/x
  3. Step 3: Cross multiply
    1,197,716,826.80x = 1,796,256,375.60 × 368,668,866.80
  4. Step 4: Simplify right side
    1,197,716,826.80x = 662,223,802,474,727,168
  5. Step 5: Solve for x
    x = 662,223,802,474,727,168/1,197,716,826.80
  6. Step 6: Final answer
    x = 552,905,150.58

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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.