Home / 397,844,036.66-545,048,275.05-382,932,935.39

Finding the Fourth Proportional to 397,844,036.66, 545,048,275.05 and 382,932,935.39

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Solution

The fourth proportional to 397,844,036.66, 545,048,275.05 and 382,932,935.39 is: 524,619,993.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,844,036.66 : 545,048,275.05 = 382,932,935.39 : x
  2. Step 2: Convert to fraction form
    397,844,036.66/545,048,275.05 = 382,932,935.39/x
  3. Step 3: Cross multiply
    397,844,036.66x = 545,048,275.05 × 382,932,935.39
  4. Step 4: Simplify right side
    397,844,036.66x = 208,716,935,891,427,328
  5. Step 5: Solve for x
    x = 208,716,935,891,427,328/397,844,036.66
  6. Step 6: Final answer
    x = 524,619,993.42

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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.