Home / 387,994,579.14-535,352,590.40-222,950,262.18

Finding the Fourth Proportional to 387,994,579.14, 535,352,590.40 and 222,950,262.18

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Solution

The fourth proportional to 387,994,579.14, 535,352,590.40 and 222,950,262.18 is: 307,625,432.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,994,579.14 : 535,352,590.40 = 222,950,262.18 : x
  2. Step 2: Convert to fraction form
    387,994,579.14/535,352,590.40 = 222,950,262.18/x
  3. Step 3: Cross multiply
    387,994,579.14x = 535,352,590.40 × 222,950,262.18
  4. Step 4: Simplify right side
    387,994,579.14x = 119,357,000,388,422,144
  5. Step 5: Solve for x
    x = 119,357,000,388,422,144/387,994,579.14
  6. Step 6: Final answer
    x = 307,625,432.95

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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.