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Finding the Fourth Proportional to 266,141,073.60, 398,614,413.60 and 218,365,329.60

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Solution

The fourth proportional to 266,141,073.60, 398,614,413.60 and 218,365,329.60 is: 327,058,002.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,141,073.60 : 398,614,413.60 = 218,365,329.60 : x
  2. Step 2: Convert to fraction form
    266,141,073.60/398,614,413.60 = 218,365,329.60/x
  3. Step 3: Cross multiply
    266,141,073.60x = 398,614,413.60 × 218,365,329.60
  4. Step 4: Simplify right side
    266,141,073.60x = 87,043,567,809,074,720
  5. Step 5: Solve for x
    x = 87,043,567,809,074,720/266,141,073.60
  6. Step 6: Final answer
    x = 327,058,002.10

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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.