Home / 1,078,019,480.80-1,617,029,221.20-1,068,949,554.40

Finding the Fourth Proportional to 1,078,019,480.80, 1,617,029,221.20 and 1,068,949,554.40

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Solution

The fourth proportional to 1,078,019,480.80, 1,617,029,221.20 and 1,068,949,554.40 is: 1,603,424,331.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,019,480.80 : 1,617,029,221.20 = 1,068,949,554.40 : x
  2. Step 2: Convert to fraction form
    1,078,019,480.80/1,617,029,221.20 = 1,068,949,554.40/x
  3. Step 3: Cross multiply
    1,078,019,480.80x = 1,617,029,221.20 × 1,068,949,554.40
  4. Step 4: Simplify right side
    1,078,019,480.80x = 1,728,522,665,453,519,104
  5. Step 5: Solve for x
    x = 1,728,522,665,453,519,104/1,078,019,480.80
  6. Step 6: Final answer
    x = 1,603,424,331.60

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Half scale
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Double scale
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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.