Home / 758,543,290.44-1,137,815,375.24-213,284,824.44

Finding the Fourth Proportional to 758,543,290.44, 1,137,815,375.24 and 213,284,824.44

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Solution

The fourth proportional to 758,543,290.44, 1,137,815,375.24 and 213,284,824.44 is: 319,927,360.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,543,290.44 : 1,137,815,375.24 = 213,284,824.44 : x
  2. Step 2: Convert to fraction form
    758,543,290.44/1,137,815,375.24 = 213,284,824.44/x
  3. Step 3: Cross multiply
    758,543,290.44x = 1,137,815,375.24 × 213,284,824.44
  4. Step 4: Simplify right side
    758,543,290.44x = 242,678,752,553,196,128
  5. Step 5: Solve for x
    x = 242,678,752,553,196,128/758,543,290.44
  6. Step 6: Final answer
    x = 319,927,360.26

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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.