Home / 397,844,496.72-545,048,904.87-382,933,395

Finding the Fourth Proportional to 397,844,496.72, 545,048,904.87 and 382,933,395

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Solution

The fourth proportional to 397,844,496.72, 545,048,904.87 and 382,933,395 is: 524,620,622.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,844,496.72 : 545,048,904.87 = 382,933,395 : x
  2. Step 2: Convert to fraction form
    397,844,496.72/545,048,904.87 = 382,933,395/x
  3. Step 3: Cross multiply
    397,844,496.72x = 545,048,904.87 × 382,933,395
  4. Step 4: Simplify right side
    397,844,496.72x = 208,717,427,582,901,120
  5. Step 5: Solve for x
    x = 208,717,427,582,901,120/397,844,496.72
  6. Step 6: Final answer
    x = 524,620,622.64

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.