Home / 785,019,661.72-1,083,334,297.80-432,608,296.94

Finding the Fourth Proportional to 785,019,661.72, 1,083,334,297.80 and 432,608,296.94

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Solution

The fourth proportional to 785,019,661.72, 1,083,334,297.80 and 432,608,296.94 is: 597,003,398.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,019,661.72 : 1,083,334,297.80 = 432,608,296.94 : x
  2. Step 2: Convert to fraction form
    785,019,661.72/1,083,334,297.80 = 432,608,296.94/x
  3. Step 3: Cross multiply
    785,019,661.72x = 1,083,334,297.80 × 432,608,296.94
  4. Step 4: Simplify right side
    785,019,661.72x = 468,659,405,587,948,736
  5. Step 5: Solve for x
    x = 468,659,405,587,948,736/785,019,661.72
  6. Step 6: Final answer
    x = 597,003,398.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.