Home / 899,135,998.90-1,348,741,323.15-285,702,910.90

Finding the Fourth Proportional to 899,135,998.90, 1,348,741,323.15 and 285,702,910.90

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Solution

The fourth proportional to 899,135,998.90, 1,348,741,323.15 and 285,702,910.90 is: 428,566,226.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,135,998.90 : 1,348,741,323.15 = 285,702,910.90 : x
  2. Step 2: Convert to fraction form
    899,135,998.90/1,348,741,323.15 = 285,702,910.90/x
  3. Step 3: Cross multiply
    899,135,998.90x = 1,348,741,323.15 × 285,702,910.90
  4. Step 4: Simplify right side
    899,135,998.90x = 385,339,322,075,072,576
  5. Step 5: Solve for x
    x = 385,339,322,075,072,576/899,135,998.90
  6. Step 6: Final answer
    x = 428,566,226.41

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Double scale
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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.