Home / 579,485,431.45-869,228,147.18-349,336,049.05

Finding the Fourth Proportional to 579,485,431.45, 869,228,147.18 and 349,336,049.05

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Solution

The fourth proportional to 579,485,431.45, 869,228,147.18 and 349,336,049.05 is: 524,004,073.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,485,431.45 : 869,228,147.18 = 349,336,049.05 : x
  2. Step 2: Convert to fraction form
    579,485,431.45/869,228,147.18 = 349,336,049.05/x
  3. Step 3: Cross multiply
    579,485,431.45x = 869,228,147.18 × 349,336,049.05
  4. Step 4: Simplify right side
    579,485,431.45x = 303,652,726,657,166,400
  5. Step 5: Solve for x
    x = 303,652,726,657,166,400/579,485,431.45
  6. Step 6: Final answer
    x = 524,004,073.58

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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.