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Finding the Fourth Proportional to 12,823,018,861.20, 19,234,528,291.80 and 12,823,018,861.20

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Solution

The fourth proportional to 12,823,018,861.20, 19,234,528,291.80 and 12,823,018,861.20 is: 19,234,528,291.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,823,018,861.20 : 19,234,528,291.80 = 12,823,018,861.20 : x
  2. Step 2: Convert to fraction form
    12,823,018,861.20/19,234,528,291.80 = 12,823,018,861.20/x
  3. Step 3: Cross multiply
    12,823,018,861.20x = 19,234,528,291.80 × 12,823,018,861.20
  4. Step 4: Simplify right side
    12,823,018,861.20x = 246,644,719,072,036,421,632
  5. Step 5: Solve for x
    x = 246,644,719,072,036,421,632/12,823,018,861.20
  6. Step 6: Final answer
    x = 19,234,528,291.80

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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.