Home / 6,619,019,633.80-9,928,529,450.70-3,861,762,008.20

Finding the Fourth Proportional to 6,619,019,633.80, 9,928,529,450.70 and 3,861,762,008.20

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Solution

The fourth proportional to 6,619,019,633.80, 9,928,529,450.70 and 3,861,762,008.20 is: 5,792,643,012.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,619,019,633.80 : 9,928,529,450.70 = 3,861,762,008.20 : x
  2. Step 2: Convert to fraction form
    6,619,019,633.80/9,928,529,450.70 = 3,861,762,008.20/x
  3. Step 3: Cross multiply
    6,619,019,633.80x = 9,928,529,450.70 × 3,861,762,008.20
  4. Step 4: Simplify right side
    6,619,019,633.80x = 38,341,617,830,008,078,336
  5. Step 5: Solve for x
    x = 38,341,617,830,008,078,336/6,619,019,633.80
  6. Step 6: Final answer
    x = 5,792,643,012.30

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Double scale
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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.