Home / 751,439,479.09-1,036,951,348.44-416,908,441.26

Finding the Fourth Proportional to 751,439,479.09, 1,036,951,348.44 and 416,908,441.26

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Solution

The fourth proportional to 751,439,479.09, 1,036,951,348.44 and 416,908,441.26 is: 575,314,156.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,439,479.09 : 1,036,951,348.44 = 416,908,441.26 : x
  2. Step 2: Convert to fraction form
    751,439,479.09/1,036,951,348.44 = 416,908,441.26/x
  3. Step 3: Cross multiply
    751,439,479.09x = 1,036,951,348.44 × 416,908,441.26
  4. Step 4: Simplify right side
    751,439,479.09x = 432,313,770,340,575,552
  5. Step 5: Solve for x
    x = 432,313,770,340,575,552/751,439,479.09
  6. Step 6: Final answer
    x = 575,314,156.86

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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.