Home / 1,347,529,879.40-2,021,294,819.10-823,741,629.80

Finding the Fourth Proportional to 1,347,529,879.40, 2,021,294,819.10 and 823,741,629.80

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Solution

The fourth proportional to 1,347,529,879.40, 2,021,294,819.10 and 823,741,629.80 is: 1,235,612,444.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,529,879.40 : 2,021,294,819.10 = 823,741,629.80 : x
  2. Step 2: Convert to fraction form
    1,347,529,879.40/2,021,294,819.10 = 823,741,629.80/x
  3. Step 3: Cross multiply
    1,347,529,879.40x = 2,021,294,819.10 × 823,741,629.80
  4. Step 4: Simplify right side
    1,347,529,879.40x = 1,665,024,688,591,729,920
  5. Step 5: Solve for x
    x = 1,665,024,688,591,729,920/1,347,529,879.40
  6. Step 6: Final answer
    x = 1,235,612,444.70

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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.