Home / 921,622,657.44-1,382,435,316.70-376,364,191.44

Finding the Fourth Proportional to 921,622,657.44, 1,382,435,316.70 and 376,364,191.44

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Solution

The fourth proportional to 921,622,657.44, 1,382,435,316.70 and 376,364,191.44 is: 564,546,830.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,622,657.44 : 1,382,435,316.70 = 376,364,191.44 : x
  2. Step 2: Convert to fraction form
    921,622,657.44/1,382,435,316.70 = 376,364,191.44/x
  3. Step 3: Cross multiply
    921,622,657.44x = 1,382,435,316.70 × 376,364,191.44
  4. Step 4: Simplify right side
    921,622,657.44x = 520,299,150,187,895,872
  5. Step 5: Solve for x
    x = 520,299,150,187,895,872/921,622,657.44
  6. Step 6: Final answer
    x = 564,546,830.51

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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.