Home / 7,150,081,720.32-9,866,958,160.14-4,139,461,369.44

Finding the Fourth Proportional to 7,150,081,720.32, 9,866,958,160.14 and 4,139,461,369.44

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Solution

The fourth proportional to 7,150,081,720.32, 9,866,958,160.14 and 4,139,461,369.44 is: 5,712,367,177.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,150,081,720.32 : 9,866,958,160.14 = 4,139,461,369.44 : x
  2. Step 2: Convert to fraction form
    7,150,081,720.32/9,866,958,160.14 = 4,139,461,369.44/x
  3. Step 3: Cross multiply
    7,150,081,720.32x = 9,866,958,160.14 × 4,139,461,369.44
  4. Step 4: Simplify right side
    7,150,081,720.32x = 40,843,892,137,780,305,920
  5. Step 5: Solve for x
    x = 40,843,892,137,780,305,920/7,150,081,720.32
  6. Step 6: Final answer
    x = 5,712,367,177.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.