Home / 446,026,800.80-669,040,201.20-349,280,919.20

Finding the Fourth Proportional to 446,026,800.80, 669,040,201.20 and 349,280,919.20

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Solution

The fourth proportional to 446,026,800.80, 669,040,201.20 and 349,280,919.20 is: 523,921,378.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,026,800.80 : 669,040,201.20 = 349,280,919.20 : x
  2. Step 2: Convert to fraction form
    446,026,800.80/669,040,201.20 = 349,280,919.20/x
  3. Step 3: Cross multiply
    446,026,800.80x = 669,040,201.20 × 349,280,919.20
  4. Step 4: Simplify right side
    446,026,800.80x = 233,682,976,456,888,960
  5. Step 5: Solve for x
    x = 233,682,976,456,888,960/446,026,800.80
  6. Step 6: Final answer
    x = 523,921,378.80

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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.