Home / 1,819,164,906.60-2,728,747,359.90-1,803,859,405.80

Finding the Fourth Proportional to 1,819,164,906.60, 2,728,747,359.90 and 1,803,859,405.80

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Solution

The fourth proportional to 1,819,164,906.60, 2,728,747,359.90 and 1,803,859,405.80 is: 2,705,789,108.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819,164,906.60 : 2,728,747,359.90 = 1,803,859,405.80 : x
  2. Step 2: Convert to fraction form
    1,819,164,906.60/2,728,747,359.90 = 1,803,859,405.80/x
  3. Step 3: Cross multiply
    1,819,164,906.60x = 2,728,747,359.90 × 1,803,859,405.80
  4. Step 4: Simplify right side
    1,819,164,906.60x = 4,922,276,591,207,532,544
  5. Step 5: Solve for x
    x = 4,922,276,591,207,532,544/1,819,164,906.60
  6. Step 6: Final answer
    x = 2,705,789,108.70

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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.