Home / 672,211,704.60-1,008,317,556.90-557,420,448.60

Finding the Fourth Proportional to 672,211,704.60, 1,008,317,556.90 and 557,420,448.60

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Solution

The fourth proportional to 672,211,704.60, 1,008,317,556.90 and 557,420,448.60 is: 836,130,672.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,211,704.60 : 1,008,317,556.90 = 557,420,448.60 : x
  2. Step 2: Convert to fraction form
    672,211,704.60/1,008,317,556.90 = 557,420,448.60/x
  3. Step 3: Cross multiply
    672,211,704.60x = 1,008,317,556.90 × 557,420,448.60
  4. Step 4: Simplify right side
    672,211,704.60x = 562,056,824,898,454,016
  5. Step 5: Solve for x
    x = 562,056,824,898,454,016/672,211,704.60
  6. Step 6: Final answer
    x = 836,130,672.90

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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.