Home / 7,150,081,722.32-9,866,958,162.90-4,139,461,371.44

Finding the Fourth Proportional to 7,150,081,722.32, 9,866,958,162.90 and 4,139,461,371.44

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Solution

The fourth proportional to 7,150,081,722.32, 9,866,958,162.90 and 4,139,461,371.44 is: 5,712,367,180.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,150,081,722.32 : 9,866,958,162.90 = 4,139,461,371.44 : x
  2. Step 2: Convert to fraction form
    7,150,081,722.32/9,866,958,162.90 = 4,139,461,371.44/x
  3. Step 3: Cross multiply
    7,150,081,722.32x = 9,866,958,162.90 × 4,139,461,371.44
  4. Step 4: Simplify right side
    7,150,081,722.32x = 40,843,892,168,939,134,976
  5. Step 5: Solve for x
    x = 40,843,892,168,939,134,976/7,150,081,722.32
  6. Step 6: Final answer
    x = 5,712,367,180.57

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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.