Home / 344,408,665.68-516,614,901.24-85,623,886.26

Finding the Fourth Proportional to 344,408,665.68, 516,614,901.24 and 85,623,886.26

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Solution

The fourth proportional to 344,408,665.68, 516,614,901.24 and 85,623,886.26 is: 128,436,302.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,408,665.68 : 516,614,901.24 = 85,623,886.26 : x
  2. Step 2: Convert to fraction form
    344,408,665.68/516,614,901.24 = 85,623,886.26/x
  3. Step 3: Cross multiply
    344,408,665.68x = 516,614,901.24 × 85,623,886.26
  4. Step 4: Simplify right side
    344,408,665.68x = 44,234,575,543,994,896
  5. Step 5: Solve for x
    x = 44,234,575,543,994,896/344,408,665.68
  6. Step 6: Final answer
    x = 128,436,302.43

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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.