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Finding the Fourth Proportional to 7,677,210,323.40, 11,515,815,485.10 and 7,677,210,323.40

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Solution

The fourth proportional to 7,677,210,323.40, 11,515,815,485.10 and 7,677,210,323.40 is: 11,515,815,485.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,677,210,323.40 : 11,515,815,485.10 = 7,677,210,323.40 : x
  2. Step 2: Convert to fraction form
    7,677,210,323.40/11,515,815,485.10 = 7,677,210,323.40/x
  3. Step 3: Cross multiply
    7,677,210,323.40x = 11,515,815,485.10 × 7,677,210,323.40
  4. Step 4: Simplify right side
    7,677,210,323.40x = 88,409,337,524,579,303,424
  5. Step 5: Solve for x
    x = 88,409,337,524,579,303,424/7,677,210,323.40
  6. Step 6: Final answer
    x = 11,515,815,485.10

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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.