Home / 299,162,293.38-409,850,430.32-287,975,012.91

Finding the Fourth Proportional to 299,162,293.38, 409,850,430.32 and 287,975,012.91

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Solution

The fourth proportional to 299,162,293.38, 409,850,430.32 and 287,975,012.91 is: 394,523,927.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,162,293.38 : 409,850,430.32 = 287,975,012.91 : x
  2. Step 2: Convert to fraction form
    299,162,293.38/409,850,430.32 = 287,975,012.91/x
  3. Step 3: Cross multiply
    299,162,293.38x = 409,850,430.32 × 287,975,012.91
  4. Step 4: Simplify right side
    299,162,293.38x = 118,026,682,961,744,192
  5. Step 5: Solve for x
    x = 118,026,682,961,744,192/299,162,293.38
  6. Step 6: Final answer
    x = 394,523,927.56

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.