Home / 580,743,008.40-871,114,512.60-449,229,075.60

Finding the Fourth Proportional to 580,743,008.40, 871,114,512.60 and 449,229,075.60

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Solution

The fourth proportional to 580,743,008.40, 871,114,512.60 and 449,229,075.60 is: 673,843,613.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,743,008.40 : 871,114,512.60 = 449,229,075.60 : x
  2. Step 2: Convert to fraction form
    580,743,008.40/871,114,512.60 = 449,229,075.60/x
  3. Step 3: Cross multiply
    580,743,008.40x = 871,114,512.60 × 449,229,075.60
  4. Step 4: Simplify right side
    580,743,008.40x = 391,329,967,237,042,560
  5. Step 5: Solve for x
    x = 391,329,967,237,042,560/580,743,008.40
  6. Step 6: Final answer
    x = 673,843,613.40

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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.