Home / 1,226,785,071.24-1,839,531,906-838,718,881.42

Finding the Fourth Proportional to 1,226,785,071.24, 1,839,531,906 and 838,718,881.42

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Solution

The fourth proportional to 1,226,785,071.24, 1,839,531,906 and 838,718,881.42 is: 1,257,636,874.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,785,071.24 : 1,839,531,906 = 838,718,881.42 : x
  2. Step 2: Convert to fraction form
    1,226,785,071.24/1,839,531,906 = 838,718,881.42/x
  3. Step 3: Cross multiply
    1,226,785,071.24x = 1,839,531,906 × 838,718,881.42
  4. Step 4: Simplify right side
    1,226,785,071.24x = 1,542,850,142,536,720,384
  5. Step 5: Solve for x
    x = 1,542,850,142,536,720,384/1,226,785,071.24
  6. Step 6: Final answer
    x = 1,257,636,874.39

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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.