Home / 1,329,697,414.80-1,994,546,122.20-894,340,947.60

Finding the Fourth Proportional to 1,329,697,414.80, 1,994,546,122.20 and 894,340,947.60

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Solution

The fourth proportional to 1,329,697,414.80, 1,994,546,122.20 and 894,340,947.60 is: 1,341,511,421.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,697,414.80 : 1,994,546,122.20 = 894,340,947.60 : x
  2. Step 2: Convert to fraction form
    1,329,697,414.80/1,994,546,122.20 = 894,340,947.60/x
  3. Step 3: Cross multiply
    1,329,697,414.80x = 1,994,546,122.20 × 894,340,947.60
  4. Step 4: Simplify right side
    1,329,697,414.80x = 1,783,804,268,960,253,440
  5. Step 5: Solve for x
    x = 1,783,804,268,960,253,440/1,329,697,414.80
  6. Step 6: Final answer
    x = 1,341,511,421.40

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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.