Home / 377,048,404.17-520,318,640.79-218,285,257.59

Finding the Fourth Proportional to 377,048,404.17, 520,318,640.79 and 218,285,257.59

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Solution

The fourth proportional to 377,048,404.17, 520,318,640.79 and 218,285,257.59 is: 301,228,933.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,048,404.17 : 520,318,640.79 = 218,285,257.59 : x
  2. Step 2: Convert to fraction form
    377,048,404.17/520,318,640.79 = 218,285,257.59/x
  3. Step 3: Cross multiply
    377,048,404.17x = 520,318,640.79 × 218,285,257.59
  4. Step 4: Simplify right side
    377,048,404.17x = 113,577,888,533,723,840
  5. Step 5: Solve for x
    x = 113,577,888,533,723,840/377,048,404.17
  6. Step 6: Final answer
    x = 301,228,933.15

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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.