Home / 21,531,384,124.61-29,713,785,737.63-11,886,091,249.95

Finding the Fourth Proportional to 21,531,384,124.61, 29,713,785,737.63 and 11,886,091,249.95

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Solution

The fourth proportional to 21,531,384,124.61, 29,713,785,737.63 and 11,886,091,249.95 is: 16,403,068,498.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,531,384,124.61 : 29,713,785,737.63 = 11,886,091,249.95 : x
  2. Step 2: Convert to fraction form
    21,531,384,124.61/29,713,785,737.63 = 11,886,091,249.95/x
  3. Step 3: Cross multiply
    21,531,384,124.61x = 29,713,785,737.63 × 11,886,091,249.95
  4. Step 4: Simplify right side
    21,531,384,124.61x = 353,180,768,658,873,647,104
  5. Step 5: Solve for x
    x = 353,180,768,658,873,647,104/21,531,384,124.61
  6. Step 6: Final answer
    x = 16,403,068,498.29

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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.