Home / 379,335,887.20-569,428,983.60-293,455,021.60

Finding the Fourth Proportional to 379,335,887.20, 569,428,983.60 and 293,455,021.60

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Solution

The fourth proportional to 379,335,887.20, 569,428,983.60 and 293,455,021.60 is: 440,511,431.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,335,887.20 : 569,428,983.60 = 293,455,021.60 : x
  2. Step 2: Convert to fraction form
    379,335,887.20/569,428,983.60 = 293,455,021.60/x
  3. Step 3: Cross multiply
    379,335,887.20x = 569,428,983.60 × 293,455,021.60
  4. Step 4: Simplify right side
    379,335,887.20x = 167,101,794,682,004,064
  5. Step 5: Solve for x
    x = 167,101,794,682,004,064/379,335,887.20
  6. Step 6: Final answer
    x = 440,511,431.48

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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.