Home / 823,284,301.80-1,234,926,452.70-415,137,613.80

Finding the Fourth Proportional to 823,284,301.80, 1,234,926,452.70 and 415,137,613.80

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Solution

The fourth proportional to 823,284,301.80, 1,234,926,452.70 and 415,137,613.80 is: 622,706,420.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,284,301.80 : 1,234,926,452.70 = 415,137,613.80 : x
  2. Step 2: Convert to fraction form
    823,284,301.80/1,234,926,452.70 = 415,137,613.80/x
  3. Step 3: Cross multiply
    823,284,301.80x = 1,234,926,452.70 × 415,137,613.80
  4. Step 4: Simplify right side
    823,284,301.80x = 512,664,420,792,376,576
  5. Step 5: Solve for x
    x = 512,664,420,792,376,576/823,284,301.80
  6. Step 6: Final answer
    x = 622,706,420.70

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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.