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Finding the Fourth Proportional to 28,651,685,200.65, 42,977,527,800.98 and 28,651,685,200.65

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Solution

The fourth proportional to 28,651,685,200.65, 42,977,527,800.98 and 28,651,685,200.65 is: 42,977,527,800.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,651,685,200.65 : 42,977,527,800.98 = 28,651,685,200.65 : x
  2. Step 2: Convert to fraction form
    28,651,685,200.65/42,977,527,800.98 = 28,651,685,200.65/x
  3. Step 3: Cross multiply
    28,651,685,200.65x = 42,977,527,800.98 × 28,651,685,200.65
  4. Step 4: Simplify right side
    28,651,685,200.65x = 1,231,378,597,255,719,419,904
  5. Step 5: Solve for x
    x = 1,231,378,597,255,719,419,904/28,651,685,200.65
  6. Step 6: Final answer
    x = 42,977,527,800.98

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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.