Home / 1,210,718,794,436.90-1,816,079,939,519.80-494,422,741,618.76

Finding the Fourth Proportional to 1,210,718,794,436.90, 1,816,079,939,519.80 and 494,422,741,618.76

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Solution

The fourth proportional to 1,210,718,794,436.90, 1,816,079,939,519.80 and 494,422,741,618.76 is: 741,634,826,205.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,718,794,436.90 : 1,816,079,939,519.80 = 494,422,741,618.76 : x
  2. Step 2: Convert to fraction form
    1,210,718,794,436.90/1,816,079,939,519.80 = 494,422,741,618.76/x
  3. Step 3: Cross multiply
    1,210,718,794,436.90x = 1,816,079,939,519.80 × 494,422,741,618.76
  4. Step 4: Simplify right side
    1,210,718,794,436.90x = 897,911,222,696,211,386,466,304
  5. Step 5: Solve for x
    x = 897,911,222,696,211,386,466,304/1,210,718,794,436.90
  6. Step 6: Final answer
    x = 741,634,826,205.72

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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.