Home / 2,099,523,624.60-3,149,285,436.90-645,312,091.80

Finding the Fourth Proportional to 2,099,523,624.60, 3,149,285,436.90 and 645,312,091.80

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Solution

The fourth proportional to 2,099,523,624.60, 3,149,285,436.90 and 645,312,091.80 is: 967,968,137.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,099,523,624.60 : 3,149,285,436.90 = 645,312,091.80 : x
  2. Step 2: Convert to fraction form
    2,099,523,624.60/3,149,285,436.90 = 645,312,091.80/x
  3. Step 3: Cross multiply
    2,099,523,624.60x = 3,149,285,436.90 × 645,312,091.80
  4. Step 4: Simplify right side
    2,099,523,624.60x = 2,032,271,972,961,215,744
  5. Step 5: Solve for x
    x = 2,032,271,972,961,215,744/2,099,523,624.60
  6. Step 6: Final answer
    x = 967,968,137.70

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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.