Home / 3,678,528,074.30-5,517,792,111.45-3,279,451,312.70

Finding the Fourth Proportional to 3,678,528,074.30, 5,517,792,111.45 and 3,279,451,312.70

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Solution

The fourth proportional to 3,678,528,074.30, 5,517,792,111.45 and 3,279,451,312.70 is: 4,919,176,969.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,678,528,074.30 : 5,517,792,111.45 = 3,279,451,312.70 : x
  2. Step 2: Convert to fraction form
    3,678,528,074.30/5,517,792,111.45 = 3,279,451,312.70/x
  3. Step 3: Cross multiply
    3,678,528,074.30x = 5,517,792,111.45 × 3,279,451,312.70
  4. Step 4: Simplify right side
    3,678,528,074.30x = 18,095,330,583,100,405,760
  5. Step 5: Solve for x
    x = 18,095,330,583,100,405,760/3,678,528,074.30
  6. Step 6: Final answer
    x = 4,919,176,969.05

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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.