Home / 682,172,361.18-1,023,155,907.17-190,821,941.64

Finding the Fourth Proportional to 682,172,361.18, 1,023,155,907.17 and 190,821,941.64

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Solution

The fourth proportional to 682,172,361.18, 1,023,155,907.17 and 190,821,941.64 is: 286,204,202.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,172,361.18 : 1,023,155,907.17 = 190,821,941.64 : x
  2. Step 2: Convert to fraction form
    682,172,361.18/1,023,155,907.17 = 190,821,941.64/x
  3. Step 3: Cross multiply
    682,172,361.18x = 1,023,155,907.17 × 190,821,941.64
  4. Step 4: Simplify right side
    682,172,361.18x = 195,240,596,805,660,864
  5. Step 5: Solve for x
    x = 195,240,596,805,660,864/682,172,361.18
  6. Step 6: Final answer
    x = 286,204,202.80

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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.