Home / 469,422,009.21-647,769,968.10-260,561,710.41

Finding the Fourth Proportional to 469,422,009.21, 647,769,968.10 and 260,561,710.41

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Solution

The fourth proportional to 469,422,009.21, 647,769,968.10 and 260,561,710.41 is: 359,557,173.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,422,009.21 : 647,769,968.10 = 260,561,710.41 : x
  2. Step 2: Convert to fraction form
    469,422,009.21/647,769,968.10 = 260,561,710.41/x
  3. Step 3: Cross multiply
    469,422,009.21x = 647,769,968.10 × 260,561,710.41
  4. Step 4: Simplify right side
    469,422,009.21x = 168,784,050,837,938,016
  5. Step 5: Solve for x
    x = 168,784,050,837,938,016/469,422,009.21
  6. Step 6: Final answer
    x = 359,557,173.56

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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.