Home / 1,258,198,680.82-1,887,758,231.79-585,474,607.65

Finding the Fourth Proportional to 1,258,198,680.82, 1,887,758,231.79 and 585,474,607.65

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Solution

The fourth proportional to 1,258,198,680.82, 1,887,758,231.79 and 585,474,607.65 is: 878,426,060.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,198,680.82 : 1,887,758,231.79 = 585,474,607.65 : x
  2. Step 2: Convert to fraction form
    1,258,198,680.82/1,887,758,231.79 = 585,474,607.65/x
  3. Step 3: Cross multiply
    1,258,198,680.82x = 1,887,758,231.79 × 585,474,607.65
  4. Step 4: Simplify right side
    1,258,198,680.82x = 1,105,234,510,095,307,904
  5. Step 5: Solve for x
    x = 1,105,234,510,095,307,904/1,258,198,680.82
  6. Step 6: Final answer
    x = 878,426,060.16

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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.