Home / 414,152,433.52-571,542,317.40-228,525,406.36

Finding the Fourth Proportional to 414,152,433.52, 571,542,317.40 and 228,525,406.36

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Solution

The fourth proportional to 414,152,433.52, 571,542,317.40 and 228,525,406.36 is: 315,371,659.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,152,433.52 : 571,542,317.40 = 228,525,406.36 : x
  2. Step 2: Convert to fraction form
    414,152,433.52/571,542,317.40 = 228,525,406.36/x
  3. Step 3: Cross multiply
    414,152,433.52x = 571,542,317.40 × 228,525,406.36
  4. Step 4: Simplify right side
    414,152,433.52x = 130,611,940,335,771,104
  5. Step 5: Solve for x
    x = 130,611,940,335,771,104/414,152,433.52
  6. Step 6: Final answer
    x = 315,371,659.72

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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.