Home / 319,827,999.36-441,322,083.36-187,620,758.40

Finding the Fourth Proportional to 319,827,999.36, 441,322,083.36 and 187,620,758.40

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Solution

The fourth proportional to 319,827,999.36, 441,322,083.36 and 187,620,758.40 is: 258,892,855.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,827,999.36 : 441,322,083.36 = 187,620,758.40 : x
  2. Step 2: Convert to fraction form
    319,827,999.36/441,322,083.36 = 187,620,758.40/x
  3. Step 3: Cross multiply
    319,827,999.36x = 441,322,083.36 × 187,620,758.40
  4. Step 4: Simplify right side
    319,827,999.36x = 82,801,183,978,671,232
  5. Step 5: Solve for x
    x = 82,801,183,978,671,232/319,827,999.36
  6. Step 6: Final answer
    x = 258,892,855.36

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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.