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Finding the Fourth Proportional to 2,626,009,953.70, 3,939,014,930.55 and 2,626,009,953.70

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Solution

The fourth proportional to 2,626,009,953.70, 3,939,014,930.55 and 2,626,009,953.70 is: 3,939,014,930.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,626,009,953.70 : 3,939,014,930.55 = 2,626,009,953.70 : x
  2. Step 2: Convert to fraction form
    2,626,009,953.70/3,939,014,930.55 = 2,626,009,953.70/x
  3. Step 3: Cross multiply
    2,626,009,953.70x = 3,939,014,930.55 × 2,626,009,953.70
  4. Step 4: Simplify right side
    2,626,009,953.70x = 10,343,892,415,397,214,208
  5. Step 5: Solve for x
    x = 10,343,892,415,397,214,208/2,626,009,953.70
  6. Step 6: Final answer
    x = 3,939,014,930.55

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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.