Home / 455,145,770.60-628,033,597.80-276,436,662.12

Finding the Fourth Proportional to 455,145,770.60, 628,033,597.80 and 276,436,662.12

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Solution

The fourth proportional to 455,145,770.60, 628,033,597.80 and 276,436,662.12 is: 381,441,557.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,145,770.60 : 628,033,597.80 = 276,436,662.12 : x
  2. Step 2: Convert to fraction form
    455,145,770.60/628,033,597.80 = 276,436,662.12/x
  3. Step 3: Cross multiply
    455,145,770.60x = 628,033,597.80 × 276,436,662.12
  4. Step 4: Simplify right side
    455,145,770.60x = 173,611,511,475,046,560
  5. Step 5: Solve for x
    x = 173,611,511,475,046,560/455,145,770.60
  6. Step 6: Final answer
    x = 381,441,557.17

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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.