Home / 836,728,602.30-1,255,140,142.65-254,481,842.70

Finding the Fourth Proportional to 836,728,602.30, 1,255,140,142.65 and 254,481,842.70

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Solution

The fourth proportional to 836,728,602.30, 1,255,140,142.65 and 254,481,842.70 is: 381,737,131.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,728,602.30 : 1,255,140,142.65 = 254,481,842.70 : x
  2. Step 2: Convert to fraction form
    836,728,602.30/1,255,140,142.65 = 254,481,842.70/x
  3. Step 3: Cross multiply
    836,728,602.30x = 1,255,140,142.65 × 254,481,842.70
  4. Step 4: Simplify right side
    836,728,602.30x = 319,410,376,348,312,896
  5. Step 5: Solve for x
    x = 319,410,376,348,312,896/836,728,602.30
  6. Step 6: Final answer
    x = 381,737,131.34

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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.