Home / 911,759,899.98-1,367,650,356.21-329,538,362.70

Finding the Fourth Proportional to 911,759,899.98, 1,367,650,356.21 and 329,538,362.70

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Solution

The fourth proportional to 911,759,899.98, 1,367,650,356.21 and 329,538,362.70 is: 494,311,341.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,759,899.98 : 1,367,650,356.21 = 329,538,362.70 : x
  2. Step 2: Convert to fraction form
    911,759,899.98/1,367,650,356.21 = 329,538,362.70/x
  3. Step 3: Cross multiply
    911,759,899.98x = 1,367,650,356.21 × 329,538,362.70
  4. Step 4: Simplify right side
    911,759,899.98x = 450,693,259,131,515,200
  5. Step 5: Solve for x
    x = 450,693,259,131,515,200/911,759,899.98
  6. Step 6: Final answer
    x = 494,311,341.33

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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.