Home / 12,737,704,413.88-17,578,085,184.99-7,021,863,271.77

Finding the Fourth Proportional to 12,737,704,413.88, 17,578,085,184.99 and 7,021,863,271.77

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Solution

The fourth proportional to 12,737,704,413.88, 17,578,085,184.99 and 7,021,863,271.77 is: 9,690,200,583.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,737,704,413.88 : 17,578,085,184.99 = 7,021,863,271.77 : x
  2. Step 2: Convert to fraction form
    12,737,704,413.88/17,578,085,184.99 = 7,021,863,271.77/x
  3. Step 3: Cross multiply
    12,737,704,413.88x = 17,578,085,184.99 × 7,021,863,271.77
  4. Step 4: Simplify right side
    12,737,704,413.88x = 123,430,910,748,557,295,616
  5. Step 5: Solve for x
    x = 123,430,910,748,557,295,616/12,737,704,413.88
  6. Step 6: Final answer
    x = 9,690,200,583.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.