Home / 758,543,284.44-1,137,815,366.22-213,284,818.44

Finding the Fourth Proportional to 758,543,284.44, 1,137,815,366.22 and 213,284,818.44

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Solution

The fourth proportional to 758,543,284.44, 1,137,815,366.22 and 213,284,818.44 is: 319,927,351.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,543,284.44 : 1,137,815,366.22 = 213,284,818.44 : x
  2. Step 2: Convert to fraction form
    758,543,284.44/1,137,815,366.22 = 213,284,818.44/x
  3. Step 3: Cross multiply
    758,543,284.44x = 1,137,815,366.22 × 213,284,818.44
  4. Step 4: Simplify right side
    758,543,284.44x = 242,678,743,802,474,816
  5. Step 5: Solve for x
    x = 242,678,743,802,474,816/758,543,284.44
  6. Step 6: Final answer
    x = 319,927,351.25

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1.5x scale

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.