Home / 843,743,961.77-1,265,644,645.53-400,858,071.80

Finding the Fourth Proportional to 843,743,961.77, 1,265,644,645.53 and 400,858,071.80

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Solution

The fourth proportional to 843,743,961.77, 1,265,644,645.53 and 400,858,071.80 is: 601,300,744.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,743,961.77 : 1,265,644,645.53 = 400,858,071.80 : x
  2. Step 2: Convert to fraction form
    843,743,961.77/1,265,644,645.53 = 400,858,071.80/x
  3. Step 3: Cross multiply
    843,743,961.77x = 1,265,644,645.53 × 400,858,071.80
  4. Step 4: Simplify right side
    843,743,961.77x = 507,343,872,189,146,048
  5. Step 5: Solve for x
    x = 507,343,872,189,146,048/843,743,961.77
  6. Step 6: Final answer
    x = 601,300,744.27

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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.