Home / 430,970,777.82-646,456,175.27-103,446,290.91

Finding the Fourth Proportional to 430,970,777.82, 646,456,175.27 and 103,446,290.91

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Solution

The fourth proportional to 430,970,777.82, 646,456,175.27 and 103,446,290.91 is: 155,169,438.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,970,777.82 : 646,456,175.27 = 103,446,290.91 : x
  2. Step 2: Convert to fraction form
    430,970,777.82/646,456,175.27 = 103,446,290.91/x
  3. Step 3: Cross multiply
    430,970,777.82x = 646,456,175.27 × 103,446,290.91
  4. Step 4: Simplify right side
    430,970,777.82x = 66,873,493,567,546,360
  5. Step 5: Solve for x
    x = 66,873,493,567,546,360/430,970,777.82
  6. Step 6: Final answer
    x = 155,169,438.41

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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.