Home / 400,973,836.44-553,310,090.46-222,362,848.92

Finding the Fourth Proportional to 400,973,836.44, 553,310,090.46 and 222,362,848.92

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Solution

The fourth proportional to 400,973,836.44, 553,310,090.46 and 222,362,848.92 is: 306,841,985.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,973,836.44 : 553,310,090.46 = 222,362,848.92 : x
  2. Step 2: Convert to fraction form
    400,973,836.44/553,310,090.46 = 222,362,848.92/x
  3. Step 3: Cross multiply
    400,973,836.44x = 553,310,090.46 × 222,362,848.92
  4. Step 4: Simplify right side
    400,973,836.44x = 123,035,608,050,868,512
  5. Step 5: Solve for x
    x = 123,035,608,050,868,512/400,973,836.44
  6. Step 6: Final answer
    x = 306,841,985.36

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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.