Home / 351,755,999.90-527,633,999.85-299,603,923.10

Finding the Fourth Proportional to 351,755,999.90, 527,633,999.85 and 299,603,923.10

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Solution

The fourth proportional to 351,755,999.90, 527,633,999.85 and 299,603,923.10 is: 449,405,884.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,755,999.90 : 527,633,999.85 = 299,603,923.10 : x
  2. Step 2: Convert to fraction form
    351,755,999.90/527,633,999.85 = 299,603,923.10/x
  3. Step 3: Cross multiply
    351,755,999.90x = 527,633,999.85 × 299,603,923.10
  4. Step 4: Simplify right side
    351,755,999.90x = 158,081,216,316,004,832
  5. Step 5: Solve for x
    x = 158,081,216,316,004,832/351,755,999.90
  6. Step 6: Final answer
    x = 449,405,884.65

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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.