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Finding the Fourth Proportional to 1,180,107,230.80, 1,648,925,260.40 and 1,180,107,230.80

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Solution

The fourth proportional to 1,180,107,230.80, 1,648,925,260.40 and 1,180,107,230.80 is: 1,648,925,260.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,107,230.80 : 1,648,925,260.40 = 1,180,107,230.80 : x
  2. Step 2: Convert to fraction form
    1,180,107,230.80/1,648,925,260.40 = 1,180,107,230.80/x
  3. Step 3: Cross multiply
    1,180,107,230.80x = 1,648,925,260.40 × 1,180,107,230.80
  4. Step 4: Simplify right side
    1,180,107,230.80x = 1,945,908,622,846,812,928
  5. Step 5: Solve for x
    x = 1,945,908,622,846,812,928/1,180,107,230.80
  6. Step 6: Final answer
    x = 1,648,925,260.40

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Double scale
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1.5x scale

Why These Related Problems?

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