Home / 654,462,221.24-903,157,236.78-361,106,803.64

Finding the Fourth Proportional to 654,462,221.24, 903,157,236.78 and 361,106,803.64

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Solution

The fourth proportional to 654,462,221.24, 903,157,236.78 and 361,106,803.64 is: 498,327,042.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,462,221.24 : 903,157,236.78 = 361,106,803.64 : x
  2. Step 2: Convert to fraction form
    654,462,221.24/903,157,236.78 = 361,106,803.64/x
  3. Step 3: Cross multiply
    654,462,221.24x = 903,157,236.78 × 361,106,803.64
  4. Step 4: Simplify right side
    654,462,221.24x = 326,136,222,957,960,448
  5. Step 5: Solve for x
    x = 326,136,222,957,960,448/654,462,221.24
  6. Step 6: Final answer
    x = 498,327,042.22

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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.