Home / 545,185,805.20-818,016,573.74-190,914,359.63

Finding the Fourth Proportional to 545,185,805.20, 818,016,573.74 and 190,914,359.63

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Solution

The fourth proportional to 545,185,805.20, 818,016,573.74 and 190,914,359.63 is: 286,454,835.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,185,805.20 : 818,016,573.74 = 190,914,359.63 : x
  2. Step 2: Convert to fraction form
    545,185,805.20/818,016,573.74 = 190,914,359.63/x
  3. Step 3: Cross multiply
    545,185,805.20x = 818,016,573.74 × 190,914,359.63
  4. Step 4: Simplify right side
    545,185,805.20x = 156,171,110,344,326,272
  5. Step 5: Solve for x
    x = 156,171,110,344,326,272/545,185,805.20
  6. Step 6: Final answer
    x = 286,454,835.86

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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.