Home / 727,582,964.61-1,091,383,107.53-202,920,144.77

Finding the Fourth Proportional to 727,582,964.61, 1,091,383,107.53 and 202,920,144.77

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Solution

The fourth proportional to 727,582,964.61, 1,091,383,107.53 and 202,920,144.77 is: 304,382,632.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,582,964.61 : 1,091,383,107.53 = 202,920,144.77 : x
  2. Step 2: Convert to fraction form
    727,582,964.61/1,091,383,107.53 = 202,920,144.77/x
  3. Step 3: Cross multiply
    727,582,964.61x = 1,091,383,107.53 × 202,920,144.77
  4. Step 4: Simplify right side
    727,582,964.61x = 221,463,618,173,048,576
  5. Step 5: Solve for x
    x = 221,463,618,173,048,576/727,582,964.61
  6. Step 6: Final answer
    x = 304,382,632.56

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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.