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Finding the Fourth Proportional to 10,919,448,000.70, 16,379,172,001.05 and 10,919,448,000.70

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Solution

The fourth proportional to 10,919,448,000.70, 16,379,172,001.05 and 10,919,448,000.70 is: 16,379,172,001.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,919,448,000.70 : 16,379,172,001.05 = 10,919,448,000.70 : x
  2. Step 2: Convert to fraction form
    10,919,448,000.70/16,379,172,001.05 = 10,919,448,000.70/x
  3. Step 3: Cross multiply
    10,919,448,000.70x = 16,379,172,001.05 × 10,919,448,000.70
  4. Step 4: Simplify right side
    10,919,448,000.70x = 178,851,516,959,986,843,648
  5. Step 5: Solve for x
    x = 178,851,516,959,986,843,648/10,919,448,000.70
  6. Step 6: Final answer
    x = 16,379,172,001.05

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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.