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Finding the Fourth Proportional to 28,366,856,543.54, 42,550,284,815.30 and 28,366,856,543.54

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Solution

The fourth proportional to 28,366,856,543.54, 42,550,284,815.30 and 28,366,856,543.54 is: 42,550,284,815.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,366,856,543.54 : 42,550,284,815.30 = 28,366,856,543.54 : x
  2. Step 2: Convert to fraction form
    28,366,856,543.54/42,550,284,815.30 = 28,366,856,543.54/x
  3. Step 3: Cross multiply
    28,366,856,543.54x = 42,550,284,815.30 × 28,366,856,543.54
  4. Step 4: Simplify right side
    28,366,856,543.54x = 1,207,017,825,242,170,785,792
  5. Step 5: Solve for x
    x = 1,207,017,825,242,170,785,792/28,366,856,543.54
  6. Step 6: Final answer
    x = 42,550,284,815.30

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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.