Home / 1,015,082,893.80-1,522,328,953.43-393,159,413.75

Finding the Fourth Proportional to 1,015,082,893.80, 1,522,328,953.43 and 393,159,413.75

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Solution

The fourth proportional to 1,015,082,893.80, 1,522,328,953.43 and 393,159,413.75 is: 589,624,711.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,082,893.80 : 1,522,328,953.43 = 393,159,413.75 : x
  2. Step 2: Convert to fraction form
    1,015,082,893.80/1,522,328,953.43 = 393,159,413.75/x
  3. Step 3: Cross multiply
    1,015,082,893.80x = 1,522,328,953.43 × 393,159,413.75
  4. Step 4: Simplify right side
    1,015,082,893.80x = 598,517,958,855,612,416
  5. Step 5: Solve for x
    x = 598,517,958,855,612,416/1,015,082,893.80
  6. Step 6: Final answer
    x = 589,624,711.94

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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.