Home / 766,802,004.40-1,150,203,006.60-459,936,161.20

Finding the Fourth Proportional to 766,802,004.40, 1,150,203,006.60 and 459,936,161.20

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Solution

The fourth proportional to 766,802,004.40, 1,150,203,006.60 and 459,936,161.20 is: 689,904,241.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,802,004.40 : 1,150,203,006.60 = 459,936,161.20 : x
  2. Step 2: Convert to fraction form
    766,802,004.40/1,150,203,006.60 = 459,936,161.20/x
  3. Step 3: Cross multiply
    766,802,004.40x = 1,150,203,006.60 × 459,936,161.20
  4. Step 4: Simplify right side
    766,802,004.40x = 529,019,955,456,302,208
  5. Step 5: Solve for x
    x = 529,019,955,456,302,208/766,802,004.40
  6. Step 6: Final answer
    x = 689,904,241.80

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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.