Home / 921,622,676.88-1,382,435,345.82-376,364,210.88

Finding the Fourth Proportional to 921,622,676.88, 1,382,435,345.82 and 376,364,210.88

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Solution

The fourth proportional to 921,622,676.88, 1,382,435,345.82 and 376,364,210.88 is: 564,546,859.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,622,676.88 : 1,382,435,345.82 = 376,364,210.88 : x
  2. Step 2: Convert to fraction form
    921,622,676.88/1,382,435,345.82 = 376,364,210.88/x
  3. Step 3: Cross multiply
    921,622,676.88x = 1,382,435,345.82 × 376,364,210.88
  4. Step 4: Simplify right side
    921,622,676.88x = 520,299,188,022,164,160
  5. Step 5: Solve for x
    x = 520,299,188,022,164,160/921,622,676.88
  6. Step 6: Final answer
    x = 564,546,859.66

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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.