Home / 51,790,557,821.91-71,470,215,382.90-28,928,020,851.87

Finding the Fourth Proportional to 51,790,557,821.91, 71,470,215,382.90 and 28,928,020,851.87

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Solution

The fourth proportional to 51,790,557,821.91, 71,470,215,382.90 and 28,928,020,851.87 is: 39,920,247,393.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,790,557,821.91 : 71,470,215,382.90 = 28,928,020,851.87 : x
  2. Step 2: Convert to fraction form
    51,790,557,821.91/71,470,215,382.90 = 28,928,020,851.87/x
  3. Step 3: Cross multiply
    51,790,557,821.91x = 71,470,215,382.90 × 28,928,020,851.87
  4. Step 4: Simplify right side
    51,790,557,821.91x = 2,067,491,880,884,385,611,776
  5. Step 5: Solve for x
    x = 2,067,491,880,884,385,611,776/51,790,557,821.91
  6. Step 6: Final answer
    x = 39,920,247,393.24

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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.