Home / 1,266,768,044.82-1,900,255,471.32-636,175,794.66

Finding the Fourth Proportional to 1,266,768,044.82, 1,900,255,471.32 and 636,175,794.66

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Solution

The fourth proportional to 1,266,768,044.82, 1,900,255,471.32 and 636,175,794.66 is: 954,315,621.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,768,044.82 : 1,900,255,471.32 = 636,175,794.66 : x
  2. Step 2: Convert to fraction form
    1,266,768,044.82/1,900,255,471.32 = 636,175,794.66/x
  3. Step 3: Cross multiply
    1,266,768,044.82x = 1,900,255,471.32 × 636,175,794.66
  4. Step 4: Simplify right side
    1,266,768,044.82x = 1,208,896,534,524,013,824
  5. Step 5: Solve for x
    x = 1,208,896,534,524,013,824/1,266,768,044.82
  6. Step 6: Final answer
    x = 954,315,621.92

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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.