Home / 512,635,335.76-707,440,160.07-277,685,996.23

Finding the Fourth Proportional to 512,635,335.76, 707,440,160.07 and 277,685,996.23

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Solution

The fourth proportional to 512,635,335.76, 707,440,160.07 and 277,685,996.23 is: 383,208,514.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,635,335.76 : 707,440,160.07 = 277,685,996.23 : x
  2. Step 2: Convert to fraction form
    512,635,335.76/707,440,160.07 = 277,685,996.23/x
  3. Step 3: Cross multiply
    512,635,335.76x = 707,440,160.07 × 277,685,996.23
  4. Step 4: Simplify right side
    512,635,335.76x = 196,446,225,622,148,640
  5. Step 5: Solve for x
    x = 196,446,225,622,148,640/512,635,335.76
  6. Step 6: Final answer
    x = 383,208,514.74

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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.