Home / 487,161,121.80-672,291,072.27-264,150,326.10

Finding the Fourth Proportional to 487,161,121.80, 672,291,072.27 and 264,150,326.10

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Solution

The fourth proportional to 487,161,121.80, 672,291,072.27 and 264,150,326.10 is: 364,532,180.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,161,121.80 : 672,291,072.27 = 264,150,326.10 : x
  2. Step 2: Convert to fraction form
    487,161,121.80/672,291,072.27 = 264,150,326.10/x
  3. Step 3: Cross multiply
    487,161,121.80x = 672,291,072.27 × 264,150,326.10
  4. Step 4: Simplify right side
    487,161,121.80x = 177,585,905,974,239,168
  5. Step 5: Solve for x
    x = 177,585,905,974,239,168/487,161,121.80
  6. Step 6: Final answer
    x = 364,532,180.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.