Home / 689,233,142.64-1,033,858,710.54-229,171,311.84

Finding the Fourth Proportional to 689,233,142.64, 1,033,858,710.54 and 229,171,311.84

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Solution

The fourth proportional to 689,233,142.64, 1,033,858,710.54 and 229,171,311.84 is: 343,759,959.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,233,142.64 : 1,033,858,710.54 = 229,171,311.84 : x
  2. Step 2: Convert to fraction form
    689,233,142.64/1,033,858,710.54 = 229,171,311.84/x
  3. Step 3: Cross multiply
    689,233,142.64x = 1,033,858,710.54 × 229,171,311.84
  4. Step 4: Simplify right side
    689,233,142.64x = 236,930,756,951,662,624
  5. Step 5: Solve for x
    x = 236,930,756,951,662,624/689,233,142.64
  6. Step 6: Final answer
    x = 343,759,959.14

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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.