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Finding the Fourth Proportional to 851,482,137.30, 1,277,223,205.95 and 851,482,137.30

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Solution

The fourth proportional to 851,482,137.30, 1,277,223,205.95 and 851,482,137.30 is: 1,277,223,205.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,482,137.30 : 1,277,223,205.95 = 851,482,137.30 : x
  2. Step 2: Convert to fraction form
    851,482,137.30/1,277,223,205.95 = 851,482,137.30/x
  3. Step 3: Cross multiply
    851,482,137.30x = 1,277,223,205.95 × 851,482,137.30
  4. Step 4: Simplify right side
    851,482,137.30x = 1,087,532,745,211,464,064
  5. Step 5: Solve for x
    x = 1,087,532,745,211,464,064/851,482,137.30
  6. Step 6: Final answer
    x = 1,277,223,205.95

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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.