Home / 1,019,953,510.80-1,529,930,266.20-329,930,516.40

Finding the Fourth Proportional to 1,019,953,510.80, 1,529,930,266.20 and 329,930,516.40

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Solution

The fourth proportional to 1,019,953,510.80, 1,529,930,266.20 and 329,930,516.40 is: 494,895,774.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,953,510.80 : 1,529,930,266.20 = 329,930,516.40 : x
  2. Step 2: Convert to fraction form
    1,019,953,510.80/1,529,930,266.20 = 329,930,516.40/x
  3. Step 3: Cross multiply
    1,019,953,510.80x = 1,529,930,266.20 × 329,930,516.40
  4. Step 4: Simplify right side
    1,019,953,510.80x = 504,770,682,783,355,456
  5. Step 5: Solve for x
    x = 504,770,682,783,355,456/1,019,953,510.80
  6. Step 6: Final answer
    x = 494,895,774.60

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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.