Home / 539,273,739.72-808,195,499.68-276,947,694.60

Finding the Fourth Proportional to 539,273,739.72, 808,195,499.68 and 276,947,694.60

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Solution

The fourth proportional to 539,273,739.72, 808,195,499.68 and 276,947,694.60 is: 415,054,292.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,273,739.72 : 808,195,499.68 = 276,947,694.60 : x
  2. Step 2: Convert to fraction form
    539,273,739.72/808,195,499.68 = 276,947,694.60/x
  3. Step 3: Cross multiply
    539,273,739.72x = 808,195,499.68 × 276,947,694.60
  4. Step 4: Simplify right side
    539,273,739.72x = 223,827,880,422,471,040
  5. Step 5: Solve for x
    x = 223,827,880,422,471,040/539,273,739.72
  6. Step 6: Final answer
    x = 415,054,292.35

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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.