Home / 938,697,814.70-1,408,039,723.65-283,647,574.70

Finding the Fourth Proportional to 938,697,814.70, 1,408,039,723.65 and 283,647,574.70

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Solution

The fourth proportional to 938,697,814.70, 1,408,039,723.65 and 283,647,574.70 is: 425,469,247.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,697,814.70 : 1,408,039,723.65 = 283,647,574.70 : x
  2. Step 2: Convert to fraction form
    938,697,814.70/1,408,039,723.65 = 283,647,574.70/x
  3. Step 3: Cross multiply
    938,697,814.70x = 1,408,039,723.65 × 283,647,574.70
  4. Step 4: Simplify right side
    938,697,814.70x = 399,387,052,694,580,736
  5. Step 5: Solve for x
    x = 399,387,052,694,580,736/938,697,814.70
  6. Step 6: Final answer
    x = 425,469,247.33

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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.