Home / 756,635,285.10-1,044,157,141.24-422,107,808.68

Finding the Fourth Proportional to 756,635,285.10, 1,044,157,141.24 and 422,107,808.68

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Solution

The fourth proportional to 756,635,285.10, 1,044,157,141.24 and 422,107,808.68 is: 582,509,025.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,635,285.10 : 1,044,157,141.24 = 422,107,808.68 : x
  2. Step 2: Convert to fraction form
    756,635,285.10/1,044,157,141.24 = 422,107,808.68/x
  3. Step 3: Cross multiply
    756,635,285.10x = 1,044,157,141.24 × 422,107,808.68
  4. Step 4: Simplify right side
    756,635,285.10x = 440,746,882,801,168,896
  5. Step 5: Solve for x
    x = 440,746,882,801,168,896/756,635,285.10
  6. Step 6: Final answer
    x = 582,509,025.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.