Home / 1,415,382,378.66-2,122,611,454.28-469,726,421.76

Finding the Fourth Proportional to 1,415,382,378.66, 2,122,611,454.28 and 469,726,421.76

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Solution

The fourth proportional to 1,415,382,378.66, 2,122,611,454.28 and 469,726,421.76 is: 704,436,269.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,382,378.66 : 2,122,611,454.28 = 469,726,421.76 : x
  2. Step 2: Convert to fraction form
    1,415,382,378.66/2,122,611,454.28 = 469,726,421.76/x
  3. Step 3: Cross multiply
    1,415,382,378.66x = 2,122,611,454.28 × 469,726,421.76
  4. Step 4: Simplify right side
    1,415,382,378.66x = 997,046,683,205,734,144
  5. Step 5: Solve for x
    x = 997,046,683,205,734,144/1,415,382,378.66
  6. Step 6: Final answer
    x = 704,436,269.83

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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.