Home / 455,174,578.67-682,733,524.48-280,330,883.33

Finding the Fourth Proportional to 455,174,578.67, 682,733,524.48 and 280,330,883.33

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Solution

The fourth proportional to 455,174,578.67, 682,733,524.48 and 280,330,883.33 is: 420,478,868.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,174,578.67 : 682,733,524.48 = 280,330,883.33 : x
  2. Step 2: Convert to fraction form
    455,174,578.67/682,733,524.48 = 280,330,883.33/x
  3. Step 3: Cross multiply
    455,174,578.67x = 682,733,524.48 × 280,330,883.33
  4. Step 4: Simplify right side
    455,174,578.67x = 191,391,291,992,368,064
  5. Step 5: Solve for x
    x = 191,391,291,992,368,064/455,174,578.67
  6. Step 6: Final answer
    x = 420,478,868.91

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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.