Home / 1,115,214,000.40-1,672,821,000.60-994,683,181.60

Finding the Fourth Proportional to 1,115,214,000.40, 1,672,821,000.60 and 994,683,181.60

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Solution

The fourth proportional to 1,115,214,000.40, 1,672,821,000.60 and 994,683,181.60 is: 1,492,024,772.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,214,000.40 : 1,672,821,000.60 = 994,683,181.60 : x
  2. Step 2: Convert to fraction form
    1,115,214,000.40/1,672,821,000.60 = 994,683,181.60/x
  3. Step 3: Cross multiply
    1,115,214,000.40x = 1,672,821,000.60 × 994,683,181.60
  4. Step 4: Simplify right side
    1,115,214,000.40x = 1,663,926,915,124,103,424
  5. Step 5: Solve for x
    x = 1,663,926,915,124,103,424/1,115,214,000.40
  6. Step 6: Final answer
    x = 1,492,024,772.40

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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.