Home / 401,171,257.44-553,695,730.62-260,217,161.04

Finding the Fourth Proportional to 401,171,257.44, 553,695,730.62 and 260,217,161.04

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Solution

The fourth proportional to 401,171,257.44, 553,695,730.62 and 260,217,161.04 is: 359,151,181.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,171,257.44 : 553,695,730.62 = 260,217,161.04 : x
  2. Step 2: Convert to fraction form
    401,171,257.44/553,695,730.62 = 260,217,161.04/x
  3. Step 3: Cross multiply
    401,171,257.44x = 553,695,730.62 × 260,217,161.04
  4. Step 4: Simplify right side
    401,171,257.44x = 144,081,131,101,904,992
  5. Step 5: Solve for x
    x = 144,081,131,101,904,992/401,171,257.44
  6. Step 6: Final answer
    x = 359,151,181.52

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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.