Home / 441,253,015.52-608,921,732.40-243,032,969.12

Finding the Fourth Proportional to 441,253,015.52, 608,921,732.40 and 243,032,969.12

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Solution

The fourth proportional to 441,253,015.52, 608,921,732.40 and 243,032,969.12 is: 335,381,405.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,253,015.52 : 608,921,732.40 = 243,032,969.12 : x
  2. Step 2: Convert to fraction form
    441,253,015.52/608,921,732.40 = 243,032,969.12/x
  3. Step 3: Cross multiply
    441,253,015.52x = 608,921,732.40 × 243,032,969.12
  4. Step 4: Simplify right side
    441,253,015.52x = 147,988,056,586,866,112
  5. Step 5: Solve for x
    x = 147,988,056,586,866,112/441,253,015.52
  6. Step 6: Final answer
    x = 335,381,405.64

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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.