Home / 449,520,530,018.40-674,320,434,194.37-126,826,167,411.39

Finding the Fourth Proportional to 449,520,530,018.40, 674,320,434,194.37 and 126,826,167,411.39

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Solution

The fourth proportional to 449,520,530,018.40, 674,320,434,194.37 and 126,826,167,411.39 is: 190,250,434,774.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,520,530,018.40 : 674,320,434,194.37 = 126,826,167,411.39 : x
  2. Step 2: Convert to fraction form
    449,520,530,018.40/674,320,434,194.37 = 126,826,167,411.39/x
  3. Step 3: Cross multiply
    449,520,530,018.40x = 674,320,434,194.37 × 126,826,167,411.39
  4. Step 4: Simplify right side
    449,520,530,018.40x = 85,521,476,276,056,359,960,576
  5. Step 5: Solve for x
    x = 85,521,476,276,056,359,960,576/449,520,530,018.40
  6. Step 6: Final answer
    x = 190,250,434,774.48

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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.