Home / 512,635,222.83-707,440,004.17-277,685,883.32

Finding the Fourth Proportional to 512,635,222.83, 707,440,004.17 and 277,685,883.32

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Solution

The fourth proportional to 512,635,222.83, 707,440,004.17 and 277,685,883.32 is: 383,208,358.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,635,222.83 : 707,440,004.17 = 277,685,883.32 : x
  2. Step 2: Convert to fraction form
    512,635,222.83/707,440,004.17 = 277,685,883.32/x
  3. Step 3: Cross multiply
    512,635,222.83x = 707,440,004.17 × 277,685,883.32
  4. Step 4: Simplify right side
    512,635,222.83x = 196,446,102,449,619,520
  5. Step 5: Solve for x
    x = 196,446,102,449,619,520/512,635,222.83
  6. Step 6: Final answer
    x = 383,208,358.89

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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.