Home / 3,189,013,336.40-4,783,520,004.60-2,984,939,992.40

Finding the Fourth Proportional to 3,189,013,336.40, 4,783,520,004.60 and 2,984,939,992.40

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Solution

The fourth proportional to 3,189,013,336.40, 4,783,520,004.60 and 2,984,939,992.40 is: 4,477,409,988.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189,013,336.40 : 4,783,520,004.60 = 2,984,939,992.40 : x
  2. Step 2: Convert to fraction form
    3,189,013,336.40/4,783,520,004.60 = 2,984,939,992.40/x
  3. Step 3: Cross multiply
    3,189,013,336.40x = 4,783,520,004.60 × 2,984,939,992.40
  4. Step 4: Simplify right side
    3,189,013,336.40x = 14,278,520,166,175,973,376
  5. Step 5: Solve for x
    x = 14,278,520,166,175,973,376/3,189,013,336.40
  6. Step 6: Final answer
    x = 4,477,409,988.60

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Double scale
Find fourth proportional to 3,189,013,337.40, 4,783,520,006.10 and 2,984,939,993.40
Similar ratio
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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.