Home / 335,896,268.80-503,844,403.20-278,500,640.80

Finding the Fourth Proportional to 335,896,268.80, 503,844,403.20 and 278,500,640.80

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Solution

The fourth proportional to 335,896,268.80, 503,844,403.20 and 278,500,640.80 is: 417,750,961.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,896,268.80 : 503,844,403.20 = 278,500,640.80 : x
  2. Step 2: Convert to fraction form
    335,896,268.80/503,844,403.20 = 278,500,640.80/x
  3. Step 3: Cross multiply
    335,896,268.80x = 503,844,403.20 × 278,500,640.80
  4. Step 4: Simplify right side
    335,896,268.80x = 140,320,989,154,693,568
  5. Step 5: Solve for x
    x = 140,320,989,154,693,568/335,896,268.80
  6. Step 6: Final answer
    x = 417,750,961.20

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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.