Home / 319,921,424.82-441,505,200.98-178,792,641.08

Finding the Fourth Proportional to 319,921,424.82, 441,505,200.98 and 178,792,641.08

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Solution

The fourth proportional to 319,921,424.82, 441,505,200.98 and 178,792,641.08 is: 246,741,464.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,921,424.82 : 441,505,200.98 = 178,792,641.08 : x
  2. Step 2: Convert to fraction form
    319,921,424.82/441,505,200.98 = 178,792,641.08/x
  3. Step 3: Cross multiply
    319,921,424.82x = 441,505,200.98 × 178,792,641.08
  4. Step 4: Simplify right side
    319,921,424.82x = 78,937,880,933,770,416
  5. Step 5: Solve for x
    x = 78,937,880,933,770,416/319,921,424.82
  6. Step 6: Final answer
    x = 246,741,464.65

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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.