Home / 1,936,252,016.86-2,904,970,763.39-991,519,009.78

Finding the Fourth Proportional to 1,936,252,016.86, 2,904,970,763.39 and 991,519,009.78

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Solution

The fourth proportional to 1,936,252,016.86, 2,904,970,763.39 and 991,519,009.78 is: 1,487,582,044.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,936,252,016.86 : 2,904,970,763.39 = 991,519,009.78 : x
  2. Step 2: Convert to fraction form
    1,936,252,016.86/2,904,970,763.39 = 991,519,009.78/x
  3. Step 3: Cross multiply
    1,936,252,016.86x = 2,904,970,763.39 × 991,519,009.78
  4. Step 4: Simplify right side
    1,936,252,016.86x = 2,880,333,734,749,809,664
  5. Step 5: Solve for x
    x = 2,880,333,734,749,809,664/1,936,252,016.86
  6. Step 6: Final answer
    x = 1,487,582,044.93

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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.