Home / 304,485,432.84-420,190,302.78-165,256,194.61

Finding the Fourth Proportional to 304,485,432.84, 420,190,302.78 and 165,256,194.61

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Solution

The fourth proportional to 304,485,432.84, 420,190,302.78 and 165,256,194.61 is: 228,053,768.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,485,432.84 : 420,190,302.78 = 165,256,194.61 : x
  2. Step 2: Convert to fraction form
    304,485,432.84/420,190,302.78 = 165,256,194.61/x
  3. Step 3: Cross multiply
    304,485,432.84x = 420,190,302.78 × 165,256,194.61
  4. Step 4: Simplify right side
    304,485,432.84x = 69,439,050,449,446,504
  5. Step 5: Solve for x
    x = 69,439,050,449,446,504/304,485,432.84
  6. Step 6: Final answer
    x = 228,053,768.62

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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.