Home / 512,635,332.76-707,440,155.94-277,685,993.24

Finding the Fourth Proportional to 512,635,332.76, 707,440,155.94 and 277,685,993.24

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Solution

The fourth proportional to 512,635,332.76, 707,440,155.94 and 277,685,993.24 is: 383,208,510.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,635,332.76 : 707,440,155.94 = 277,685,993.24 : x
  2. Step 2: Convert to fraction form
    512,635,332.76/707,440,155.94 = 277,685,993.24/x
  3. Step 3: Cross multiply
    512,635,332.76x = 707,440,155.94 × 277,685,993.24
  4. Step 4: Simplify right side
    512,635,332.76x = 196,446,222,360,059,424
  5. Step 5: Solve for x
    x = 196,446,222,360,059,424/512,635,332.76
  6. Step 6: Final answer
    x = 383,208,510.62

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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.