Home / 6,129,509,611.55-8,458,723,214.09-3,310,117,288.21

Finding the Fourth Proportional to 6,129,509,611.55, 8,458,723,214.09 and 3,310,117,288.21

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Solution

The fourth proportional to 6,129,509,611.55, 8,458,723,214.09 and 3,310,117,288.21 is: 4,567,961,830.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,129,509,611.55 : 8,458,723,214.09 = 3,310,117,288.21 : x
  2. Step 2: Convert to fraction form
    6,129,509,611.55/8,458,723,214.09 = 3,310,117,288.21/x
  3. Step 3: Cross multiply
    6,129,509,611.55x = 8,458,723,214.09 × 3,310,117,288.21
  4. Step 4: Simplify right side
    6,129,509,611.55x = 27,999,365,947,147,751,424
  5. Step 5: Solve for x
    x = 27,999,365,947,147,751,424/6,129,509,611.55
  6. Step 6: Final answer
    x = 4,567,961,830.81

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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.