Home / 921,622,682.88-1,382,435,354.70-376,364,216.88

Finding the Fourth Proportional to 921,622,682.88, 1,382,435,354.70 and 376,364,216.88

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Solution

The fourth proportional to 921,622,682.88, 1,382,435,354.70 and 376,364,216.88 is: 564,546,868.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,622,682.88 : 1,382,435,354.70 = 376,364,216.88 : x
  2. Step 2: Convert to fraction form
    921,622,682.88/1,382,435,354.70 = 376,364,216.88/x
  3. Step 3: Cross multiply
    921,622,682.88x = 1,382,435,354.70 × 376,364,216.88
  4. Step 4: Simplify right side
    921,622,682.88x = 520,299,199,658,890,560
  5. Step 5: Solve for x
    x = 520,299,199,658,890,560/921,622,682.88
  6. Step 6: Final answer
    x = 564,546,868.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.