Home / 1,226,785,073.74-1,839,531,909.75-838,718,883.92

Finding the Fourth Proportional to 1,226,785,073.74, 1,839,531,909.75 and 838,718,883.92

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Solution

The fourth proportional to 1,226,785,073.74, 1,839,531,909.75 and 838,718,883.92 is: 1,257,636,878.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,785,073.74 : 1,839,531,909.75 = 838,718,883.92 : x
  2. Step 2: Convert to fraction form
    1,226,785,073.74/1,839,531,909.75 = 838,718,883.92/x
  3. Step 3: Cross multiply
    1,226,785,073.74x = 1,839,531,909.75 × 838,718,883.92
  4. Step 4: Simplify right side
    1,226,785,073.74x = 1,542,850,150,280,745,984
  5. Step 5: Solve for x
    x = 1,542,850,150,280,745,984/1,226,785,073.74
  6. Step 6: Final answer
    x = 1,257,636,878.13

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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.