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Finding the Fourth Proportional to 2,289,781,914.40, 3,434,672,871.60 and 2,289,781,914.40

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Solution

The fourth proportional to 2,289,781,914.40, 3,434,672,871.60 and 2,289,781,914.40 is: 3,434,672,871.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,289,781,914.40 : 3,434,672,871.60 = 2,289,781,914.40 : x
  2. Step 2: Convert to fraction form
    2,289,781,914.40/3,434,672,871.60 = 2,289,781,914.40/x
  3. Step 3: Cross multiply
    2,289,781,914.40x = 3,434,672,871.60 × 2,289,781,914.40
  4. Step 4: Simplify right side
    2,289,781,914.40x = 7,864,651,823,269,993,472
  5. Step 5: Solve for x
    x = 7,864,651,823,269,993,472/2,289,781,914.40
  6. Step 6: Final answer
    x = 3,434,672,871.60

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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.