Home / 2,991,816,923.70-4,487,725,385.55-810,783,059.70

Finding the Fourth Proportional to 2,991,816,923.70, 4,487,725,385.55 and 810,783,059.70

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Solution

The fourth proportional to 2,991,816,923.70, 4,487,725,385.55 and 810,783,059.70 is: 1,216,174,589.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,991,816,923.70 : 4,487,725,385.55 = 810,783,059.70 : x
  2. Step 2: Convert to fraction form
    2,991,816,923.70/4,487,725,385.55 = 810,783,059.70/x
  3. Step 3: Cross multiply
    2,991,816,923.70x = 4,487,725,385.55 × 810,783,059.70
  4. Step 4: Simplify right side
    2,991,816,923.70x = 3,638,571,719,189,591,552
  5. Step 5: Solve for x
    x = 3,638,571,719,189,591,552/2,991,816,923.70
  6. Step 6: Final answer
    x = 1,216,174,589.55

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Double scale
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1.5x scale

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.