Home / 4,938,776,443.37-7,409,619,927.66-1,989,538,413.73

Finding the Fourth Proportional to 4,938,776,443.37, 7,409,619,927.66 and 1,989,538,413.73

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Solution

The fourth proportional to 4,938,776,443.37, 7,409,619,927.66 and 1,989,538,413.73 is: 2,984,893,859.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,938,776,443.37 : 7,409,619,927.66 = 1,989,538,413.73 : x
  2. Step 2: Convert to fraction form
    4,938,776,443.37/7,409,619,927.66 = 1,989,538,413.73/x
  3. Step 3: Cross multiply
    4,938,776,443.37x = 7,409,619,927.66 × 1,989,538,413.73
  4. Step 4: Simplify right side
    4,938,776,443.37x = 14,741,723,477,193,955,328
  5. Step 5: Solve for x
    x = 14,741,723,477,193,955,328/4,938,776,443.37
  6. Step 6: Final answer
    x = 2,984,893,859.08

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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.