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Finding the Fourth Proportional to 7,601,800,521.80, 11,402,700,782.70 and 7,601,800,521.80

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Solution

The fourth proportional to 7,601,800,521.80, 11,402,700,782.70 and 7,601,800,521.80 is: 11,402,700,782.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,601,800,521.80 : 11,402,700,782.70 = 7,601,800,521.80 : x
  2. Step 2: Convert to fraction form
    7,601,800,521.80/11,402,700,782.70 = 7,601,800,521.80/x
  3. Step 3: Cross multiply
    7,601,800,521.80x = 11,402,700,782.70 × 7,601,800,521.80
  4. Step 4: Simplify right side
    7,601,800,521.80x = 86,681,056,759,858,135,040
  5. Step 5: Solve for x
    x = 86,681,056,759,858,135,040/7,601,800,521.80
  6. Step 6: Final answer
    x = 11,402,700,782.70

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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.