Home / 401,431,282.21-602,175,945.79-168,027,252.89

Finding the Fourth Proportional to 401,431,282.21, 602,175,945.79 and 168,027,252.89

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Solution

The fourth proportional to 401,431,282.21, 602,175,945.79 and 168,027,252.89 is: 252,053,027.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,431,282.21 : 602,175,945.79 = 168,027,252.89 : x
  2. Step 2: Convert to fraction form
    401,431,282.21/602,175,945.79 = 168,027,252.89/x
  3. Step 3: Cross multiply
    401,431,282.21x = 602,175,945.79 × 168,027,252.89
  4. Step 4: Simplify right side
    401,431,282.21x = 101,181,969,924,730,400
  5. Step 5: Solve for x
    x = 101,181,969,924,730,400/401,431,282.21
  6. Step 6: Final answer
    x = 252,053,027.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.