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Finding the Fourth Proportional to 270,662,226.53, 373,449,855.87 and 153,187,556.76

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Solution

The fourth proportional to 270,662,226.53, 373,449,855.87 and 153,187,556.76 is: 211,362,596.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,662,226.53 : 373,449,855.87 = 153,187,556.76 : x
  2. Step 2: Convert to fraction form
    270,662,226.53/373,449,855.87 = 153,187,556.76/x
  3. Step 3: Cross multiply
    270,662,226.53x = 373,449,855.87 × 153,187,556.76
  4. Step 4: Simplify right side
    270,662,226.53x = 57,207,870,993,099,440
  5. Step 5: Solve for x
    x = 57,207,870,993,099,440/270,662,226.53
  6. Step 6: Final answer
    x = 211,362,596.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.