Home / 316,625,392,593.91-436,943,323,331.85-172,109,522,288.52

Finding the Fourth Proportional to 316,625,392,593.91, 436,943,323,331.85 and 172,109,522,288.52

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Solution

The fourth proportional to 316,625,392,593.91, 436,943,323,331.85 and 172,109,522,288.52 is: 237,511,293,802.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,625,392,593.91 : 436,943,323,331.85 = 172,109,522,288.52 : x
  2. Step 2: Convert to fraction form
    316,625,392,593.91/436,943,323,331.85 = 172,109,522,288.52/x
  3. Step 3: Cross multiply
    316,625,392,593.91x = 436,943,323,331.85 × 172,109,522,288.52
  4. Step 4: Simplify right side
    316,625,392,593.91x = 75,202,106,645,803,027,136,512
  5. Step 5: Solve for x
    x = 75,202,106,645,803,027,136,512/316,625,392,593.91
  6. Step 6: Final answer
    x = 237,511,293,802.81

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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.