Home / 298,979,538.80-448,469,308.20-296,963,999.60

Finding the Fourth Proportional to 298,979,538.80, 448,469,308.20 and 296,963,999.60

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Solution

The fourth proportional to 298,979,538.80, 448,469,308.20 and 296,963,999.60 is: 445,445,999.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,979,538.80 : 448,469,308.20 = 296,963,999.60 : x
  2. Step 2: Convert to fraction form
    298,979,538.80/448,469,308.20 = 296,963,999.60/x
  3. Step 3: Cross multiply
    298,979,538.80x = 448,469,308.20 × 296,963,999.60
  4. Step 4: Simplify right side
    298,979,538.80x = 133,179,239,460,917,088
  5. Step 5: Solve for x
    x = 133,179,239,460,917,088/298,979,538.80
  6. Step 6: Final answer
    x = 445,445,999.40

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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.