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Finding the Fourth Proportional to 1,069,810,205.40, 1,494,673,187.40 and 1,069,810,205.40

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Solution

The fourth proportional to 1,069,810,205.40, 1,494,673,187.40 and 1,069,810,205.40 is: 1,494,673,187.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,810,205.40 : 1,494,673,187.40 = 1,069,810,205.40 : x
  2. Step 2: Convert to fraction form
    1,069,810,205.40/1,494,673,187.40 = 1,069,810,205.40/x
  3. Step 3: Cross multiply
    1,069,810,205.40x = 1,494,673,187.40 × 1,069,810,205.40
  4. Step 4: Simplify right side
    1,069,810,205.40x = 1,599,016,629,618,266,880
  5. Step 5: Solve for x
    x = 1,599,016,629,618,266,880/1,069,810,205.40
  6. Step 6: Final answer
    x = 1,494,673,187.40

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Half scale
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Double scale
Find fourth proportional to 1,069,810,206.40, 1,494,673,188.80 and 1,069,810,206.40
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.