Home / 298,950,942.10-448,426,413.15-266,665,901.35

Finding the Fourth Proportional to 298,950,942.10, 448,426,413.15 and 266,665,901.35

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Solution

The fourth proportional to 298,950,942.10, 448,426,413.15 and 266,665,901.35 is: 399,998,852.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,950,942.10 : 448,426,413.15 = 266,665,901.35 : x
  2. Step 2: Convert to fraction form
    298,950,942.10/448,426,413.15 = 266,665,901.35/x
  3. Step 3: Cross multiply
    298,950,942.10x = 448,426,413.15 × 266,665,901.35
  4. Step 4: Simplify right side
    298,950,942.10x = 119,580,033,651,792,240
  5. Step 5: Solve for x
    x = 119,580,033,651,792,240/298,950,942.10
  6. Step 6: Final answer
    x = 399,998,852.03

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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.