Home / 378,972,028.80-568,458,043.20-334,490,417.10

Finding the Fourth Proportional to 378,972,028.80, 568,458,043.20 and 334,490,417.10

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Solution

The fourth proportional to 378,972,028.80, 568,458,043.20 and 334,490,417.10 is: 501,735,625.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,972,028.80 : 568,458,043.20 = 334,490,417.10 : x
  2. Step 2: Convert to fraction form
    378,972,028.80/568,458,043.20 = 334,490,417.10/x
  3. Step 3: Cross multiply
    378,972,028.80x = 568,458,043.20 × 334,490,417.10
  4. Step 4: Simplify right side
    378,972,028.80x = 190,143,767,973,817,856
  5. Step 5: Solve for x
    x = 190,143,767,973,817,856/378,972,028.80
  6. Step 6: Final answer
    x = 501,735,625.65

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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.