Home / 253,583,999.10-380,375,998.65-236,451,915.90

Finding the Fourth Proportional to 253,583,999.10, 380,375,998.65 and 236,451,915.90

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Solution

The fourth proportional to 253,583,999.10, 380,375,998.65 and 236,451,915.90 is: 354,677,873.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,583,999.10 : 380,375,998.65 = 236,451,915.90 : x
  2. Step 2: Convert to fraction form
    253,583,999.10/380,375,998.65 = 236,451,915.90/x
  3. Step 3: Cross multiply
    253,583,999.10x = 380,375,998.65 × 236,451,915.90
  4. Step 4: Simplify right side
    253,583,999.10x = 89,940,633,643,168,304
  5. Step 5: Solve for x
    x = 89,940,633,643,168,304/253,583,999.10
  6. Step 6: Final answer
    x = 354,677,873.85

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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.