Home / 377,274,591.58-520,633,603.56-212,261,767.42

Finding the Fourth Proportional to 377,274,591.58, 520,633,603.56 and 212,261,767.42

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Solution

The fourth proportional to 377,274,591.58, 520,633,603.56 and 212,261,767.42 is: 292,918,238.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,274,591.58 : 520,633,603.56 = 212,261,767.42 : x
  2. Step 2: Convert to fraction form
    377,274,591.58/520,633,603.56 = 212,261,767.42/x
  3. Step 3: Cross multiply
    377,274,591.58x = 520,633,603.56 × 212,261,767.42
  4. Step 4: Simplify right side
    377,274,591.58x = 110,510,608,869,889,200
  5. Step 5: Solve for x
    x = 110,510,608,869,889,200/377,274,591.58
  6. Step 6: Final answer
    x = 292,918,238.69

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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.