Home / 785,125,245.54-1,083,454,176.69-427,904,301.45

Finding the Fourth Proportional to 785,125,245.54, 1,083,454,176.69 and 427,904,301.45

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Solution

The fourth proportional to 785,125,245.54, 1,083,454,176.69 and 427,904,301.45 is: 590,497,764.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,125,245.54 : 1,083,454,176.69 = 427,904,301.45 : x
  2. Step 2: Convert to fraction form
    785,125,245.54/1,083,454,176.69 = 427,904,301.45/x
  3. Step 3: Cross multiply
    785,125,245.54x = 1,083,454,176.69 × 427,904,301.45
  4. Step 4: Simplify right side
    785,125,245.54x = 463,614,702,629,619,328
  5. Step 5: Solve for x
    x = 463,614,702,629,619,328/785,125,245.54
  6. Step 6: Final answer
    x = 590,497,764.86

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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.