Home / 3,267,378,528.30-4,901,067,792.45-813,715,431.30

Finding the Fourth Proportional to 3,267,378,528.30, 4,901,067,792.45 and 813,715,431.30

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Solution

The fourth proportional to 3,267,378,528.30, 4,901,067,792.45 and 813,715,431.30 is: 1,220,573,146.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,267,378,528.30 : 4,901,067,792.45 = 813,715,431.30 : x
  2. Step 2: Convert to fraction form
    3,267,378,528.30/4,901,067,792.45 = 813,715,431.30/x
  3. Step 3: Cross multiply
    3,267,378,528.30x = 4,901,067,792.45 × 813,715,431.30
  4. Step 4: Simplify right side
    3,267,378,528.30x = 3,988,074,492,563,990,016
  5. Step 5: Solve for x
    x = 3,988,074,492,563,990,016/3,267,378,528.30
  6. Step 6: Final answer
    x = 1,220,573,146.95

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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.