Home / 921,622,684.32-1,382,435,356.86-376,364,218.32

Finding the Fourth Proportional to 921,622,684.32, 1,382,435,356.86 and 376,364,218.32

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Solution

The fourth proportional to 921,622,684.32, 1,382,435,356.86 and 376,364,218.32 is: 564,546,870.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,622,684.32 : 1,382,435,356.86 = 376,364,218.32 : x
  2. Step 2: Convert to fraction form
    921,622,684.32/1,382,435,356.86 = 376,364,218.32/x
  3. Step 3: Cross multiply
    921,622,684.32x = 1,382,435,356.86 × 376,364,218.32
  4. Step 4: Simplify right side
    921,622,684.32x = 520,299,202,462,544,128
  5. Step 5: Solve for x
    x = 520,299,202,462,544,128/921,622,684.32
  6. Step 6: Final answer
    x = 564,546,870.77

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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.