Home / 577,172,971.62-865,448,013.06-261,866,910.24

Finding the Fourth Proportional to 577,172,971.62, 865,448,013.06 and 261,866,910.24

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Solution

The fourth proportional to 577,172,971.62, 865,448,013.06 and 261,866,910.24 is: 392,659,061.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,172,971.62 : 865,448,013.06 = 261,866,910.24 : x
  2. Step 2: Convert to fraction form
    577,172,971.62/865,448,013.06 = 261,866,910.24/x
  3. Step 3: Cross multiply
    577,172,971.62x = 865,448,013.06 × 261,866,910.24
  4. Step 4: Simplify right side
    577,172,971.62x = 226,632,197,153,369,376
  5. Step 5: Solve for x
    x = 226,632,197,153,369,376/577,172,971.62
  6. Step 6: Final answer
    x = 392,659,061.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.