Home / 751,439,481.09-1,036,951,351.20-416,908,443.26

Finding the Fourth Proportional to 751,439,481.09, 1,036,951,351.20 and 416,908,443.26

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Solution

The fourth proportional to 751,439,481.09, 1,036,951,351.20 and 416,908,443.26 is: 575,314,159.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,439,481.09 : 1,036,951,351.20 = 416,908,443.26 : x
  2. Step 2: Convert to fraction form
    751,439,481.09/1,036,951,351.20 = 416,908,443.26/x
  3. Step 3: Cross multiply
    751,439,481.09x = 1,036,951,351.20 × 416,908,443.26
  4. Step 4: Simplify right side
    751,439,481.09x = 432,313,773,565,145,536
  5. Step 5: Solve for x
    x = 432,313,773,565,145,536/751,439,481.09
  6. Step 6: Final answer
    x = 575,314,159.62

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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.