Home / 5,318,783,999.40-7,978,175,999.10-3,577,358,130.60

Finding the Fourth Proportional to 5,318,783,999.40, 7,978,175,999.10 and 3,577,358,130.60

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Solution

The fourth proportional to 5,318,783,999.40, 7,978,175,999.10 and 3,577,358,130.60 is: 5,366,037,195.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318,783,999.40 : 7,978,175,999.10 = 3,577,358,130.60 : x
  2. Step 2: Convert to fraction form
    5,318,783,999.40/7,978,175,999.10 = 3,577,358,130.60/x
  3. Step 3: Cross multiply
    5,318,783,999.40x = 7,978,175,999.10 × 3,577,358,130.60
  4. Step 4: Simplify right side
    5,318,783,999.40x = 28,540,792,777,738,162,176
  5. Step 5: Solve for x
    x = 28,540,792,777,738,162,176/5,318,783,999.40
  6. Step 6: Final answer
    x = 5,366,037,195.90

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1.5x scale

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.