Home / 919,399,181.43-1,268,797,664.93-501,738,368.97

Finding the Fourth Proportional to 919,399,181.43, 1,268,797,664.93 and 501,738,368.97

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Solution

The fourth proportional to 919,399,181.43, 1,268,797,664.93 and 501,738,368.97 is: 692,413,571.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,399,181.43 : 1,268,797,664.93 = 501,738,368.97 : x
  2. Step 2: Convert to fraction form
    919,399,181.43/1,268,797,664.93 = 501,738,368.97/x
  3. Step 3: Cross multiply
    919,399,181.43x = 1,268,797,664.93 × 501,738,368.97
  4. Step 4: Simplify right side
    919,399,181.43x = 636,604,470,952,414,080
  5. Step 5: Solve for x
    x = 636,604,470,952,414,080/919,399,181.43
  6. Step 6: Final answer
    x = 692,413,571.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.