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Finding the Fourth Proportional to 366,996,961.70, 550,495,442.55 and 148,751,857.70

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Solution

The fourth proportional to 366,996,961.70, 550,495,442.55 and 148,751,857.70 is: 223,127,786.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,996,961.70 : 550,495,442.55 = 148,751,857.70 : x
  2. Step 2: Convert to fraction form
    366,996,961.70/550,495,442.55 = 148,751,857.70/x
  3. Step 3: Cross multiply
    366,996,961.70x = 550,495,442.55 × 148,751,857.70
  4. Step 4: Simplify right side
    366,996,961.70x = 81,887,219,734,696,112
  5. Step 5: Solve for x
    x = 81,887,219,734,696,112/366,996,961.70
  6. Step 6: Final answer
    x = 223,127,786.55

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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.