Home / 386,322,889.79-533,264,272.44-229,689,624.17

Finding the Fourth Proportional to 386,322,889.79, 533,264,272.44 and 229,689,624.17

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Solution

The fourth proportional to 386,322,889.79, 533,264,272.44 and 229,689,624.17 is: 317,054,136.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,322,889.79 : 533,264,272.44 = 229,689,624.17 : x
  2. Step 2: Convert to fraction form
    386,322,889.79/533,264,272.44 = 229,689,624.17/x
  3. Step 3: Cross multiply
    386,322,889.79x = 533,264,272.44 × 229,689,624.17
  4. Step 4: Simplify right side
    386,322,889.79x = 122,485,270,320,503,920
  5. Step 5: Solve for x
    x = 122,485,270,320,503,920/386,322,889.79
  6. Step 6: Final answer
    x = 317,054,136.73

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