Home / 403,910,949.23-557,373,087.93-234,352,051.61

Finding the Fourth Proportional to 403,910,949.23, 557,373,087.93 and 234,352,051.61

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Solution

The fourth proportional to 403,910,949.23, 557,373,087.93 and 234,352,051.61 is: 323,391,893.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,910,949.23 : 557,373,087.93 = 234,352,051.61 : x
  2. Step 2: Convert to fraction form
    403,910,949.23/557,373,087.93 = 234,352,051.61/x
  3. Step 3: Cross multiply
    403,910,949.23x = 557,373,087.93 × 234,352,051.61
  4. Step 4: Simplify right side
    403,910,949.23x = 130,621,526,666,690,736
  5. Step 5: Solve for x
    x = 130,621,526,666,690,736/403,910,949.23
  6. Step 6: Final answer
    x = 323,391,893.48

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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.