Home / 885,695,467.20-1,328,543,200.80-230,645,227.20

Finding the Fourth Proportional to 885,695,467.20, 1,328,543,200.80 and 230,645,227.20

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Solution

The fourth proportional to 885,695,467.20, 1,328,543,200.80 and 230,645,227.20 is: 345,967,840.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,695,467.20 : 1,328,543,200.80 = 230,645,227.20 : x
  2. Step 2: Convert to fraction form
    885,695,467.20/1,328,543,200.80 = 230,645,227.20/x
  3. Step 3: Cross multiply
    885,695,467.20x = 1,328,543,200.80 × 230,645,227.20
  4. Step 4: Simplify right side
    885,695,467.20x = 306,422,148,393,531,200
  5. Step 5: Solve for x
    x = 306,422,148,393,531,200/885,695,467.20
  6. Step 6: Final answer
    x = 345,967,840.80

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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.