Home / 300,010,489.20-452,264,372.37-280,011,699.36

Finding the Fourth Proportional to 300,010,489.20, 452,264,372.37 and 280,011,699.36

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Solution

The fourth proportional to 300,010,489.20, 452,264,372.37 and 280,011,699.36 is: 422,116,292.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,010,489.20 : 452,264,372.37 = 280,011,699.36 : x
  2. Step 2: Convert to fraction form
    300,010,489.20/452,264,372.37 = 280,011,699.36/x
  3. Step 3: Cross multiply
    300,010,489.20x = 452,264,372.37 × 280,011,699.36
  4. Step 4: Simplify right side
    300,010,489.20x = 126,639,315,467,307,536
  5. Step 5: Solve for x
    x = 126,639,315,467,307,536/300,010,489.20
  6. Step 6: Final answer
    x = 422,116,292.68

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.