Home / 433,085,965.20-649,628,947.80-260,899,081.20

Finding the Fourth Proportional to 433,085,965.20, 649,628,947.80 and 260,899,081.20

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Solution

The fourth proportional to 433,085,965.20, 649,628,947.80 and 260,899,081.20 is: 391,348,621.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,085,965.20 : 649,628,947.80 = 260,899,081.20 : x
  2. Step 2: Convert to fraction form
    433,085,965.20/649,628,947.80 = 260,899,081.20/x
  3. Step 3: Cross multiply
    433,085,965.20x = 649,628,947.80 × 260,899,081.20
  4. Step 4: Simplify right side
    433,085,965.20x = 169,487,595,601,942,752
  5. Step 5: Solve for x
    x = 169,487,595,601,942,752/433,085,965.20
  6. Step 6: Final answer
    x = 391,348,621.80

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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.