Home / 512,635,276.47-707,440,078.23-277,685,936.94

Finding the Fourth Proportional to 512,635,276.47, 707,440,078.23 and 277,685,936.94

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Solution

The fourth proportional to 512,635,276.47, 707,440,078.23 and 277,685,936.94 is: 383,208,432.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,635,276.47 : 707,440,078.23 = 277,685,936.94 : x
  2. Step 2: Convert to fraction form
    512,635,276.47/707,440,078.23 = 277,685,936.94/x
  3. Step 3: Cross multiply
    512,635,276.47x = 707,440,078.23 × 277,685,936.94
  4. Step 4: Simplify right side
    512,635,276.47x = 196,446,160,953,820,320
  5. Step 5: Solve for x
    x = 196,446,160,953,820,320/512,635,276.47
  6. Step 6: Final answer
    x = 383,208,432.91

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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.