Home / 512,635,288.59-707,440,094.91-277,685,948.97

Finding the Fourth Proportional to 512,635,288.59, 707,440,094.91 and 277,685,948.97

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Solution

The fourth proportional to 512,635,288.59, 707,440,094.91 and 277,685,948.97 is: 383,208,449.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,635,288.59 : 707,440,094.91 = 277,685,948.97 : x
  2. Step 2: Convert to fraction form
    512,635,288.59/707,440,094.91 = 277,685,948.97/x
  3. Step 3: Cross multiply
    512,635,288.59x = 707,440,094.91 × 277,685,948.97
  4. Step 4: Simplify right side
    512,635,288.59x = 196,446,174,094,510,240
  5. Step 5: Solve for x
    x = 196,446,174,094,510,240/512,635,288.59
  6. Step 6: Final answer
    x = 383,208,449.49

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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.