Home / 880,075,658.20-1,320,113,731.92-327,305,862.96

Finding the Fourth Proportional to 880,075,658.20, 1,320,113,731.92 and 327,305,862.96

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Solution

The fourth proportional to 880,075,658.20, 1,320,113,731.92 and 327,305,862.96 is: 490,958,885.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,075,658.20 : 1,320,113,731.92 = 327,305,862.96 : x
  2. Step 2: Convert to fraction form
    880,075,658.20/1,320,113,731.92 = 327,305,862.96/x
  3. Step 3: Cross multiply
    880,075,658.20x = 1,320,113,731.92 × 327,305,862.96
  4. Step 4: Simplify right side
    880,075,658.20x = 432,080,964,231,421,696
  5. Step 5: Solve for x
    x = 432,080,964,231,421,696/880,075,658.20
  6. Step 6: Final answer
    x = 490,958,885.42

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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.