Home / 298,081,278.54-447,313,236.75-144,643,633.02

Finding the Fourth Proportional to 298,081,278.54, 447,313,236.75 and 144,643,633.02

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Solution

The fourth proportional to 298,081,278.54, 447,313,236.75 and 144,643,633.02 is: 217,058,286.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,081,278.54 : 447,313,236.75 = 144,643,633.02 : x
  2. Step 2: Convert to fraction form
    298,081,278.54/447,313,236.75 = 144,643,633.02/x
  3. Step 3: Cross multiply
    298,081,278.54x = 447,313,236.75 × 144,643,633.02
  4. Step 4: Simplify right side
    298,081,278.54x = 64,701,011,661,455,384
  5. Step 5: Solve for x
    x = 64,701,011,661,455,384/298,081,278.54
  6. Step 6: Final answer
    x = 217,058,286.85

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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.