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Finding the Fourth Proportional to 20,178,064,000.45, 30,267,096,000.68 and 20,178,064,000.45

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Solution

The fourth proportional to 20,178,064,000.45, 30,267,096,000.68 and 20,178,064,000.45 is: 30,267,096,000.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,178,064,000.45 : 30,267,096,000.68 = 20,178,064,000.45 : x
  2. Step 2: Convert to fraction form
    20,178,064,000.45/30,267,096,000.68 = 20,178,064,000.45/x
  3. Step 3: Cross multiply
    20,178,064,000.45x = 30,267,096,000.68 × 20,178,064,000.45
  4. Step 4: Simplify right side
    20,178,064,000.45x = 610,731,400,209,485,266,944
  5. Step 5: Solve for x
    x = 610,731,400,209,485,266,944/20,178,064,000.45
  6. Step 6: Final answer
    x = 30,267,096,000.68

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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.