Home / 1,097,428,240.32-1,645,795,443.97-360,376,639.44

Finding the Fourth Proportional to 1,097,428,240.32, 1,645,795,443.97 and 360,376,639.44

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Solution

The fourth proportional to 1,097,428,240.32, 1,645,795,443.97 and 360,376,639.44 is: 540,451,037.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,428,240.32 : 1,645,795,443.97 = 360,376,639.44 : x
  2. Step 2: Convert to fraction form
    1,097,428,240.32/1,645,795,443.97 = 360,376,639.44/x
  3. Step 3: Cross multiply
    1,097,428,240.32x = 1,645,795,443.97 × 360,376,639.44
  4. Step 4: Simplify right side
    1,097,428,240.32x = 593,106,231,303,571,456
  5. Step 5: Solve for x
    x = 593,106,231,303,571,456/1,097,428,240.32
  6. Step 6: Final answer
    x = 540,451,037.72

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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.