Home / 1,273,244,367-1,909,866,446.82-353,120,693.88

Finding the Fourth Proportional to 1,273,244,367, 1,909,866,446.82 and 353,120,693.88

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Solution

The fourth proportional to 1,273,244,367, 1,909,866,446.82 and 353,120,693.88 is: 529,681,012.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,244,367 : 1,909,866,446.82 = 353,120,693.88 : x
  2. Step 2: Convert to fraction form
    1,273,244,367/1,909,866,446.82 = 353,120,693.88/x
  3. Step 3: Cross multiply
    1,273,244,367x = 1,909,866,446.82 × 353,120,693.88
  4. Step 4: Simplify right side
    1,273,244,367x = 674,413,364,919,208,448
  5. Step 5: Solve for x
    x = 674,413,364,919,208,448/1,273,244,367
  6. Step 6: Final answer
    x = 529,681,012.07

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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.