Home / 659,234,345.80-989,008,982.70-199,177,025.80

Finding the Fourth Proportional to 659,234,345.80, 989,008,982.70 and 199,177,025.80

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Solution

The fourth proportional to 659,234,345.80, 989,008,982.70 and 199,177,025.80 is: 298,813,113.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,234,345.80 : 989,008,982.70 = 199,177,025.80 : x
  2. Step 2: Convert to fraction form
    659,234,345.80/989,008,982.70 = 199,177,025.80/x
  3. Step 3: Cross multiply
    659,234,345.80x = 989,008,982.70 × 199,177,025.80
  4. Step 4: Simplify right side
    659,234,345.80x = 196,987,867,663,669,664
  5. Step 5: Solve for x
    x = 196,987,867,663,669,664/659,234,345.80
  6. Step 6: Final answer
    x = 298,813,113.91

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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.