Home / 4,747,969,613.21-7,112,964,929.31-3,169,316,815.43

Finding the Fourth Proportional to 4,747,969,613.21, 7,112,964,929.31 and 3,169,316,815.43

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Solution

The fourth proportional to 4,747,969,613.21, 7,112,964,929.31 and 3,169,316,815.43 is: 4,747,974,649.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,747,969,613.21 : 7,112,964,929.31 = 3,169,316,815.43 : x
  2. Step 2: Convert to fraction form
    4,747,969,613.21/7,112,964,929.31 = 3,169,316,815.43/x
  3. Step 3: Cross multiply
    4,747,969,613.21x = 7,112,964,929.31 × 3,169,316,815.43
  4. Step 4: Simplify right side
    4,747,969,613.21x = 22,543,239,357,990,481,920
  5. Step 5: Solve for x
    x = 22,543,239,357,990,481,920/4,747,969,613.21
  6. Step 6: Final answer
    x = 4,747,974,649.06

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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.