Home / 1,294,385,982.32-1,786,251,885.17-699,670,474.84

Finding the Fourth Proportional to 1,294,385,982.32, 1,786,251,885.17 and 699,670,474.84

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Solution

The fourth proportional to 1,294,385,982.32, 1,786,251,885.17 and 699,670,474.84 is: 965,544,838.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,385,982.32 : 1,786,251,885.17 = 699,670,474.84 : x
  2. Step 2: Convert to fraction form
    1,294,385,982.32/1,786,251,885.17 = 699,670,474.84/x
  3. Step 3: Cross multiply
    1,294,385,982.32x = 1,786,251,885.17 × 699,670,474.84
  4. Step 4: Simplify right side
    1,294,385,982.32x = 1,249,787,704,680,739,072
  5. Step 5: Solve for x
    x = 1,249,787,704,680,739,072/1,294,385,982.32
  6. Step 6: Final answer
    x = 965,544,838.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.