Home / 809,208,780.26-1,116,708,103.19-437,930,811.63

Finding the Fourth Proportional to 809,208,780.26, 1,116,708,103.19 and 437,930,811.63

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Solution

The fourth proportional to 809,208,780.26, 1,116,708,103.19 and 437,930,811.63 is: 604,344,512.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,208,780.26 : 1,116,708,103.19 = 437,930,811.63 : x
  2. Step 2: Convert to fraction form
    809,208,780.26/1,116,708,103.19 = 437,930,811.63/x
  3. Step 3: Cross multiply
    809,208,780.26x = 1,116,708,103.19 × 437,930,811.63
  4. Step 4: Simplify right side
    809,208,780.26x = 489,040,885,984,889,344
  5. Step 5: Solve for x
    x = 489,040,885,984,889,344/809,208,780.26
  6. Step 6: Final answer
    x = 604,344,512.71

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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.