Home / 455,767,772.33-628,960,142.55-246,923,908.83

Finding the Fourth Proportional to 455,767,772.33, 628,960,142.55 and 246,923,908.83

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Solution

The fourth proportional to 455,767,772.33, 628,960,142.55 and 246,923,908.83 is: 340,755,328.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,767,772.33 : 628,960,142.55 = 246,923,908.83 : x
  2. Step 2: Convert to fraction form
    455,767,772.33/628,960,142.55 = 246,923,908.83/x
  3. Step 3: Cross multiply
    455,767,772.33x = 628,960,142.55 × 246,923,908.83
  4. Step 4: Simplify right side
    455,767,772.33x = 155,305,296,896,720,000
  5. Step 5: Solve for x
    x = 155,305,296,896,720,000/455,767,772.33
  6. Step 6: Final answer
    x = 340,755,328.32

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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.