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Finding the Fourth Proportional to 553,361,224.73, 763,637,843.05 and 302,467,264.34

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Solution

The fourth proportional to 553,361,224.73, 763,637,843.05 and 302,467,264.34 is: 417,404,471.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,361,224.73 : 763,637,843.05 = 302,467,264.34 : x
  2. Step 2: Convert to fraction form
    553,361,224.73/763,637,843.05 = 302,467,264.34/x
  3. Step 3: Cross multiply
    553,361,224.73x = 763,637,843.05 × 302,467,264.34
  4. Step 4: Simplify right side
    553,361,224.73x = 230,975,449,329,257,408
  5. Step 5: Solve for x
    x = 230,975,449,329,257,408/553,361,224.73
  6. Step 6: Final answer
    x = 417,404,471.09

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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.