Home / 921,205,182.92-1,383,033,621.24-484,812,322.74

Finding the Fourth Proportional to 921,205,182.92, 1,383,033,621.24 and 484,812,322.74

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Solution

The fourth proportional to 921,205,182.92, 1,383,033,621.24 and 484,812,322.74 is: 727,863,623.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,205,182.92 : 1,383,033,621.24 = 484,812,322.74 : x
  2. Step 2: Convert to fraction form
    921,205,182.92/1,383,033,621.24 = 484,812,322.74/x
  3. Step 3: Cross multiply
    921,205,182.92x = 1,383,033,621.24 × 484,812,322.74
  4. Step 4: Simplify right side
    921,205,182.92x = 670,511,742,340,877,824
  5. Step 5: Solve for x
    x = 670,511,742,340,877,824/921,205,182.92
  6. Step 6: Final answer
    x = 727,863,623.41

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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.