Home / 354,578,677.29-531,444,865.44-165,029,729.42

Finding the Fourth Proportional to 354,578,677.29, 531,444,865.44 and 165,029,729.42

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Solution

The fourth proportional to 354,578,677.29, 531,444,865.44 and 165,029,729.42 is: 247,347,649.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,578,677.29 : 531,444,865.44 = 165,029,729.42 : x
  2. Step 2: Convert to fraction form
    354,578,677.29/531,444,865.44 = 165,029,729.42/x
  3. Step 3: Cross multiply
    354,578,677.29x = 531,444,865.44 × 165,029,729.42
  4. Step 4: Simplify right side
    354,578,677.29x = 87,704,202,342,554,288
  5. Step 5: Solve for x
    x = 87,704,202,342,554,288/354,578,677.29
  6. Step 6: Final answer
    x = 247,347,649.36

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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.