Home / 446,026,819.80-669,040,229.70-349,280,938.20

Finding the Fourth Proportional to 446,026,819.80, 669,040,229.70 and 349,280,938.20

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Solution

The fourth proportional to 446,026,819.80, 669,040,229.70 and 349,280,938.20 is: 523,921,407.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,026,819.80 : 669,040,229.70 = 349,280,938.20 : x
  2. Step 2: Convert to fraction form
    446,026,819.80/669,040,229.70 = 349,280,938.20/x
  3. Step 3: Cross multiply
    446,026,819.80x = 669,040,229.70 × 349,280,938.20
  4. Step 4: Simplify right side
    446,026,819.80x = 233,682,999,123,159,520
  5. Step 5: Solve for x
    x = 233,682,999,123,159,520/446,026,819.80
  6. Step 6: Final answer
    x = 523,921,407.30

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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.