Home / 420,404,015.34-580,146,296.40-232,228,259.33

Finding the Fourth Proportional to 420,404,015.34, 580,146,296.40 and 232,228,259.33

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Solution

The fourth proportional to 420,404,015.34, 580,146,296.40 and 232,228,259.33 is: 320,468,786.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,404,015.34 : 580,146,296.40 = 232,228,259.33 : x
  2. Step 2: Convert to fraction form
    420,404,015.34/580,146,296.40 = 232,228,259.33/x
  3. Step 3: Cross multiply
    420,404,015.34x = 580,146,296.40 × 232,228,259.33
  4. Step 4: Simplify right side
    420,404,015.34x = 134,726,364,566,817,504
  5. Step 5: Solve for x
    x = 134,726,364,566,817,504/420,404,015.34
  6. Step 6: Final answer
    x = 320,468,786.34

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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.