Home / 1,129,494,756.35-1,694,339,729.40-311,607,057.35

Finding the Fourth Proportional to 1,129,494,756.35, 1,694,339,729.40 and 311,607,057.35

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Solution

The fourth proportional to 1,129,494,756.35, 1,694,339,729.40 and 311,607,057.35 is: 467,437,510.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,494,756.35 : 1,694,339,729.40 = 311,607,057.35 : x
  2. Step 2: Convert to fraction form
    1,129,494,756.35/1,694,339,729.40 = 311,607,057.35/x
  3. Step 3: Cross multiply
    1,129,494,756.35x = 1,694,339,729.40 × 311,607,057.35
  4. Step 4: Simplify right side
    1,129,494,756.35x = 527,968,217,229,529,344
  5. Step 5: Solve for x
    x = 527,968,217,229,529,344/1,129,494,756.35
  6. Step 6: Final answer
    x = 467,437,510.68

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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.