Home / 496,137,643.32-684,669,956.94-276,173,032.44

Finding the Fourth Proportional to 496,137,643.32, 684,669,956.94 and 276,173,032.44

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Solution

The fourth proportional to 496,137,643.32, 684,669,956.94 and 276,173,032.44 is: 381,118,789.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,137,643.32 : 684,669,956.94 = 276,173,032.44 : x
  2. Step 2: Convert to fraction form
    496,137,643.32/684,669,956.94 = 276,173,032.44/x
  3. Step 3: Cross multiply
    496,137,643.32x = 684,669,956.94 × 276,173,032.44
  4. Step 4: Simplify right side
    496,137,643.32x = 189,087,378,228,684,032
  5. Step 5: Solve for x
    x = 189,087,378,228,684,032/496,137,643.32
  6. Step 6: Final answer
    x = 381,118,789.87

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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.