Home / 414,152,436.52-571,542,321.54-228,525,409.36

Finding the Fourth Proportional to 414,152,436.52, 571,542,321.54 and 228,525,409.36

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Solution

The fourth proportional to 414,152,436.52, 571,542,321.54 and 228,525,409.36 is: 315,371,663.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,152,436.52 : 571,542,321.54 = 228,525,409.36 : x
  2. Step 2: Convert to fraction form
    414,152,436.52/571,542,321.54 = 228,525,409.36/x
  3. Step 3: Cross multiply
    414,152,436.52x = 571,542,321.54 × 228,525,409.36
  4. Step 4: Simplify right side
    414,152,436.52x = 130,611,942,996,493,248
  5. Step 5: Solve for x
    x = 130,611,942,996,493,248/414,152,436.52
  6. Step 6: Final answer
    x = 315,371,663.86

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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.