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Finding the Fourth Proportional to 18,535,552,458.70, 27,803,328,688.05 and 18,535,552,458.70

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Solution

The fourth proportional to 18,535,552,458.70, 27,803,328,688.05 and 18,535,552,458.70 is: 27,803,328,688.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,535,552,458.70 : 27,803,328,688.05 = 18,535,552,458.70 : x
  2. Step 2: Convert to fraction form
    18,535,552,458.70/27,803,328,688.05 = 18,535,552,458.70/x
  3. Step 3: Cross multiply
    18,535,552,458.70x = 27,803,328,688.05 × 18,535,552,458.70
  4. Step 4: Simplify right side
    18,535,552,458.70x = 515,350,057,423,829,401,600
  5. Step 5: Solve for x
    x = 515,350,057,423,829,401,600/18,535,552,458.70
  6. Step 6: Final answer
    x = 27,803,328,688.05

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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.