Home / 400,973,833.44-553,310,086.32-222,362,845.92

Finding the Fourth Proportional to 400,973,833.44, 553,310,086.32 and 222,362,845.92

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Solution

The fourth proportional to 400,973,833.44, 553,310,086.32 and 222,362,845.92 is: 306,841,981.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,973,833.44 : 553,310,086.32 = 222,362,845.92 : x
  2. Step 2: Convert to fraction form
    400,973,833.44/553,310,086.32 = 222,362,845.92/x
  3. Step 3: Cross multiply
    400,973,833.44x = 553,310,086.32 × 222,362,845.92
  4. Step 4: Simplify right side
    400,973,833.44x = 123,035,605,470,356,064
  5. Step 5: Solve for x
    x = 123,035,605,470,356,064/400,973,833.44
  6. Step 6: Final answer
    x = 306,841,981.22

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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.