Home / 537,715,859.80-806,573,789.70-265,217,171.80

Finding the Fourth Proportional to 537,715,859.80, 806,573,789.70 and 265,217,171.80

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Solution

The fourth proportional to 537,715,859.80, 806,573,789.70 and 265,217,171.80 is: 397,825,757.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,715,859.80 : 806,573,789.70 = 265,217,171.80 : x
  2. Step 2: Convert to fraction form
    537,715,859.80/806,573,789.70 = 265,217,171.80/x
  3. Step 3: Cross multiply
    537,715,859.80x = 806,573,789.70 × 265,217,171.80
  4. Step 4: Simplify right side
    537,715,859.80x = 213,917,219,352,241,984
  5. Step 5: Solve for x
    x = 213,917,219,352,241,984/537,715,859.80
  6. Step 6: Final answer
    x = 397,825,757.70

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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.