Home / 412,933,609.30-619,400,413.95-229,267,599.70

Finding the Fourth Proportional to 412,933,609.30, 619,400,413.95 and 229,267,599.70

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Solution

The fourth proportional to 412,933,609.30, 619,400,413.95 and 229,267,599.70 is: 343,901,399.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,933,609.30 : 619,400,413.95 = 229,267,599.70 : x
  2. Step 2: Convert to fraction form
    412,933,609.30/619,400,413.95 = 229,267,599.70/x
  3. Step 3: Cross multiply
    412,933,609.30x = 619,400,413.95 × 229,267,599.70
  4. Step 4: Simplify right side
    412,933,609.30x = 142,008,446,159,502,896
  5. Step 5: Solve for x
    x = 142,008,446,159,502,896/412,933,609.30
  6. Step 6: Final answer
    x = 343,901,399.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.