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Finding the Fourth Proportional to 2,018,984,959.90, 3,028,477,439.85 and 2,018,984,959.90

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Solution

The fourth proportional to 2,018,984,959.90, 3,028,477,439.85 and 2,018,984,959.90 is: 3,028,477,439.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,018,984,959.90 : 3,028,477,439.85 = 2,018,984,959.90 : x
  2. Step 2: Convert to fraction form
    2,018,984,959.90/3,028,477,439.85 = 2,018,984,959.90/x
  3. Step 3: Cross multiply
    2,018,984,959.90x = 3,028,477,439.85 × 2,018,984,959.90
  4. Step 4: Simplify right side
    2,018,984,959.90x = 6,114,450,402,453,607,424
  5. Step 5: Solve for x
    x = 6,114,450,402,453,607,424/2,018,984,959.90
  6. Step 6: Final answer
    x = 3,028,477,439.85

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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.