Home / 387,994,601.61-535,352,621.36-222,950,284.65

Finding the Fourth Proportional to 387,994,601.61, 535,352,621.36 and 222,950,284.65

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Solution

The fourth proportional to 387,994,601.61, 535,352,621.36 and 222,950,284.65 is: 307,625,463.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,994,601.61 : 535,352,621.36 = 222,950,284.65 : x
  2. Step 2: Convert to fraction form
    387,994,601.61/535,352,621.36 = 222,950,284.65/x
  3. Step 3: Cross multiply
    387,994,601.61x = 535,352,621.36 × 222,950,284.65
  4. Step 4: Simplify right side
    387,994,601.61x = 119,357,019,319,220,928
  5. Step 5: Solve for x
    x = 119,357,019,319,220,928/387,994,601.61
  6. Step 6: Final answer
    x = 307,625,463.92

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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.