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Finding the Fourth Proportional to 552,116,649.60, 827,167,204.80 and 449,324,150.40

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Solution

The fourth proportional to 552,116,649.60, 827,167,204.80 and 449,324,150.40 is: 673,166,081.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,116,649.60 : 827,167,204.80 = 449,324,150.40 : x
  2. Step 2: Convert to fraction form
    552,116,649.60/827,167,204.80 = 449,324,150.40/x
  3. Step 3: Cross multiply
    552,116,649.60x = 827,167,204.80 × 449,324,150.40
  4. Step 4: Simplify right side
    552,116,649.60x = 371,666,201,535,502,784
  5. Step 5: Solve for x
    x = 371,666,201,535,502,784/552,116,649.60
  6. Step 6: Final answer
    x = 673,166,081.49

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1.5x scale

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.