Home / 921,622,647.32-1,382,435,301.50-376,364,181.32

Finding the Fourth Proportional to 921,622,647.32, 1,382,435,301.50 and 376,364,181.32

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Solution

The fourth proportional to 921,622,647.32, 1,382,435,301.50 and 376,364,181.32 is: 564,546,815.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,622,647.32 : 1,382,435,301.50 = 376,364,181.32 : x
  2. Step 2: Convert to fraction form
    921,622,647.32/1,382,435,301.50 = 376,364,181.32/x
  3. Step 3: Cross multiply
    921,622,647.32x = 1,382,435,301.50 × 376,364,181.32
  4. Step 4: Simplify right side
    921,622,647.32x = 520,299,130,476,914,880
  5. Step 5: Solve for x
    x = 520,299,130,476,914,880/921,622,647.32
  6. Step 6: Final answer
    x = 564,546,815.33

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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.