Home / 483,855,995.85-725,783,993.78-433,971,400.65

Finding the Fourth Proportional to 483,855,995.85, 725,783,993.78 and 433,971,400.65

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Solution

The fourth proportional to 483,855,995.85, 725,783,993.78 and 433,971,400.65 is: 650,957,100.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,855,995.85 : 725,783,993.78 = 433,971,400.65 : x
  2. Step 2: Convert to fraction form
    483,855,995.85/725,783,993.78 = 433,971,400.65/x
  3. Step 3: Cross multiply
    483,855,995.85x = 725,783,993.78 × 433,971,400.65
  4. Step 4: Simplify right side
    483,855,995.85x = 314,969,496,347,887,616
  5. Step 5: Solve for x
    x = 314,969,496,347,887,616/483,855,995.85
  6. Step 6: Final answer
    x = 650,957,100.98

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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.