Home / 1,640,109,661.88-2,460,273,583.32-576,403,860.56

Finding the Fourth Proportional to 1,640,109,661.88, 2,460,273,583.32 and 576,403,860.56

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Solution

The fourth proportional to 1,640,109,661.88, 2,460,273,583.32 and 576,403,860.56 is: 864,644,129.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,109,661.88 : 2,460,273,583.32 = 576,403,860.56 : x
  2. Step 2: Convert to fraction form
    1,640,109,661.88/2,460,273,583.32 = 576,403,860.56/x
  3. Step 3: Cross multiply
    1,640,109,661.88x = 2,460,273,583.32 × 576,403,860.56
  4. Step 4: Simplify right side
    1,640,109,661.88x = 1,418,111,191,459,432,704
  5. Step 5: Solve for x
    x = 1,418,111,191,459,432,704/1,640,109,661.88
  6. Step 6: Final answer
    x = 864,644,129.85

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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.