Home / 874,940,895.42-1,312,541,843.13-322,200,823.74

Finding the Fourth Proportional to 874,940,895.42, 1,312,541,843.13 and 322,200,823.74

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Solution

The fourth proportional to 874,940,895.42, 1,312,541,843.13 and 322,200,823.74 is: 483,349,292.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,940,895.42 : 1,312,541,843.13 = 322,200,823.74 : x
  2. Step 2: Convert to fraction form
    874,940,895.42/1,312,541,843.13 = 322,200,823.74/x
  3. Step 3: Cross multiply
    874,940,895.42x = 1,312,541,843.13 × 322,200,823.74
  4. Step 4: Simplify right side
    874,940,895.42x = 422,902,063,049,703,936
  5. Step 5: Solve for x
    x = 422,902,063,049,703,936/874,940,895.42
  6. Step 6: Final answer
    x = 483,349,292.81

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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.