Home / 498,230,413.20-747,345,619.80-290,755,846.80

Finding the Fourth Proportional to 498,230,413.20, 747,345,619.80 and 290,755,846.80

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Solution

The fourth proportional to 498,230,413.20, 747,345,619.80 and 290,755,846.80 is: 436,133,770.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,230,413.20 : 747,345,619.80 = 290,755,846.80 : x
  2. Step 2: Convert to fraction form
    498,230,413.20/747,345,619.80 = 290,755,846.80/x
  3. Step 3: Cross multiply
    498,230,413.20x = 747,345,619.80 × 290,755,846.80
  4. Step 4: Simplify right side
    498,230,413.20x = 217,295,108,537,219,840
  5. Step 5: Solve for x
    x = 217,295,108,537,219,840/498,230,413.20
  6. Step 6: Final answer
    x = 436,133,770.20

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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.