Home / 1,085,557,679.90-1,629,025,218.18-463,777,589.49

Finding the Fourth Proportional to 1,085,557,679.90, 1,629,025,218.18 and 463,777,589.49

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Solution

The fourth proportional to 1,085,557,679.90, 1,629,025,218.18 and 463,777,589.49 is: 695,960,613.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,557,679.90 : 1,629,025,218.18 = 463,777,589.49 : x
  2. Step 2: Convert to fraction form
    1,085,557,679.90/1,629,025,218.18 = 463,777,589.49/x
  3. Step 3: Cross multiply
    1,085,557,679.90x = 1,629,025,218.18 × 463,777,589.49
  4. Step 4: Simplify right side
    1,085,557,679.90x = 755,505,388,905,941,760
  5. Step 5: Solve for x
    x = 755,505,388,905,941,760/1,085,557,679.90
  6. Step 6: Final answer
    x = 695,960,613.51

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Double scale
Find fourth proportional to 1,085,557,680.90, 1,629,025,219.68 and 463,777,590.49
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1.5x scale

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.