Home / 940,640,201.18-1,411,015,217.34-285,612,596.64

Finding the Fourth Proportional to 940,640,201.18, 1,411,015,217.34 and 285,612,596.64

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Solution

The fourth proportional to 940,640,201.18, 1,411,015,217.34 and 285,612,596.64 is: 428,435,569.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,640,201.18 : 1,411,015,217.34 = 285,612,596.64 : x
  2. Step 2: Convert to fraction form
    940,640,201.18/1,411,015,217.34 = 285,612,596.64/x
  3. Step 3: Cross multiply
    940,640,201.18x = 1,411,015,217.34 × 285,612,596.64
  4. Step 4: Simplify right side
    940,640,201.18x = 403,003,720,123,031,296
  5. Step 5: Solve for x
    x = 403,003,720,123,031,296/940,640,201.18
  6. Step 6: Final answer
    x = 428,435,569.33

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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.