Home / 378,590,427.04-522,455,137.68-204,750,171.04

Finding the Fourth Proportional to 378,590,427.04, 522,455,137.68 and 204,750,171.04

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Solution

The fourth proportional to 378,590,427.04, 522,455,137.68 and 204,750,171.04 is: 282,555,424.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,590,427.04 : 522,455,137.68 = 204,750,171.04 : x
  2. Step 2: Convert to fraction form
    378,590,427.04/522,455,137.68 = 204,750,171.04/x
  3. Step 3: Cross multiply
    378,590,427.04x = 522,455,137.68 × 204,750,171.04
  4. Step 4: Simplify right side
    378,590,427.04x = 106,972,778,800,706,752
  5. Step 5: Solve for x
    x = 106,972,778,800,706,752/378,590,427.04
  6. Step 6: Final answer
    x = 282,555,424.44

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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.