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Finding the Fourth Proportional to 273,782,648, 377,820,054.24 and 157,889,144

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Solution

The fourth proportional to 273,782,648, 377,820,054.24 and 157,889,144 is: 217,887,018.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,782,648 : 377,820,054.24 = 157,889,144 : x
  2. Step 2: Convert to fraction form
    273,782,648/377,820,054.24 = 157,889,144/x
  3. Step 3: Cross multiply
    273,782,648x = 377,820,054.24 × 157,889,144
  4. Step 4: Simplify right side
    273,782,648x = 59,653,684,949,987,176
  5. Step 5: Solve for x
    x = 59,653,684,949,987,176/273,782,648
  6. Step 6: Final answer
    x = 217,887,018.72

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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.