Home / 1,012,975,676.16-1,519,416,443.52-422,522,223.36

Finding the Fourth Proportional to 1,012,975,676.16, 1,519,416,443.52 and 422,522,223.36

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Solution

The fourth proportional to 1,012,975,676.16, 1,519,416,443.52 and 422,522,223.36 is: 633,763,701.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,975,676.16 : 1,519,416,443.52 = 422,522,223.36 : x
  2. Step 2: Convert to fraction form
    1,012,975,676.16/1,519,416,443.52 = 422,522,223.36/x
  3. Step 3: Cross multiply
    1,012,975,676.16x = 1,519,416,443.52 × 422,522,223.36
  4. Step 4: Simplify right side
    1,012,975,676.16x = 641,987,213,925,814,272
  5. Step 5: Solve for x
    x = 641,987,213,925,814,272/1,012,975,676.16
  6. Step 6: Final answer
    x = 633,763,701.37

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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.