Home / 406,291,051.82-560,887,936.36-257,764,008.62

Finding the Fourth Proportional to 406,291,051.82, 560,887,936.36 and 257,764,008.62

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Solution

The fourth proportional to 406,291,051.82, 560,887,936.36 and 257,764,008.62 is: 355,845,205.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,291,051.82 : 560,887,936.36 = 257,764,008.62 : x
  2. Step 2: Convert to fraction form
    406,291,051.82/560,887,936.36 = 257,764,008.62/x
  3. Step 3: Cross multiply
    406,291,051.82x = 560,887,936.36 × 257,764,008.62
  4. Step 4: Simplify right side
    406,291,051.82x = 144,576,722,862,753,056
  5. Step 5: Solve for x
    x = 144,576,722,862,753,056/406,291,051.82
  6. Step 6: Final answer
    x = 355,845,205.59

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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.