Home / 629,857,413.60-944,786,120.40-307,371,141.60

Finding the Fourth Proportional to 629,857,413.60, 944,786,120.40 and 307,371,141.60

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Solution

The fourth proportional to 629,857,413.60, 944,786,120.40 and 307,371,141.60 is: 461,056,712.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,857,413.60 : 944,786,120.40 = 307,371,141.60 : x
  2. Step 2: Convert to fraction form
    629,857,413.60/944,786,120.40 = 307,371,141.60/x
  3. Step 3: Cross multiply
    629,857,413.60x = 944,786,120.40 × 307,371,141.60
  4. Step 4: Simplify right side
    629,857,413.60x = 290,399,988,395,183,040
  5. Step 5: Solve for x
    x = 290,399,988,395,183,040/629,857,413.60
  6. Step 6: Final answer
    x = 461,056,712.40

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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.