Home / 317,045,115.20-475,567,672.80-213,732,984.80

Finding the Fourth Proportional to 317,045,115.20, 475,567,672.80 and 213,732,984.80

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Solution

The fourth proportional to 317,045,115.20, 475,567,672.80 and 213,732,984.80 is: 320,599,477.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,045,115.20 : 475,567,672.80 = 213,732,984.80 : x
  2. Step 2: Convert to fraction form
    317,045,115.20/475,567,672.80 = 213,732,984.80/x
  3. Step 3: Cross multiply
    317,045,115.20x = 475,567,672.80 × 213,732,984.80
  4. Step 4: Simplify right side
    317,045,115.20x = 101,644,498,181,933,776
  5. Step 5: Solve for x
    x = 101,644,498,181,933,776/317,045,115.20
  6. Step 6: Final answer
    x = 320,599,477.20

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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.