Home / 1,266,055,176.72-1,896,786,910.68-1,238,505,275.28

Finding the Fourth Proportional to 1,266,055,176.72, 1,896,786,910.68 and 1,238,505,275.28

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Solution

The fourth proportional to 1,266,055,176.72, 1,896,786,910.68 and 1,238,505,275.28 is: 1,855,512,017.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,055,176.72 : 1,896,786,910.68 = 1,238,505,275.28 : x
  2. Step 2: Convert to fraction form
    1,266,055,176.72/1,896,786,910.68 = 1,238,505,275.28/x
  3. Step 3: Cross multiply
    1,266,055,176.72x = 1,896,786,910.68 × 1,238,505,275.28
  4. Step 4: Simplify right side
    1,266,055,176.72x = 2,349,180,594,959,234,048
  5. Step 5: Solve for x
    x = 2,349,180,594,959,234,048/1,266,055,176.72
  6. Step 6: Final answer
    x = 1,855,512,017.29

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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.