Home / 471,551,186.80-707,326,780.23-213,270,860.80

Finding the Fourth Proportional to 471,551,186.80, 707,326,780.23 and 213,270,860.80

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Solution

The fourth proportional to 471,551,186.80, 707,326,780.23 and 213,270,860.80 is: 319,906,291.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,551,186.80 : 707,326,780.23 = 213,270,860.80 : x
  2. Step 2: Convert to fraction form
    471,551,186.80/707,326,780.23 = 213,270,860.80/x
  3. Step 3: Cross multiply
    471,551,186.80x = 707,326,780.23 × 213,270,860.80
  4. Step 4: Simplify right side
    471,551,186.80x = 150,852,191,286,544,544
  5. Step 5: Solve for x
    x = 150,852,191,286,544,544/471,551,186.80
  6. Step 6: Final answer
    x = 319,906,291.21

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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.