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Finding the Fourth Proportional to 897,156,794.30, 1,345,735,191.45 and 897,156,794.30

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Solution

The fourth proportional to 897,156,794.30, 1,345,735,191.45 and 897,156,794.30 is: 1,345,735,191.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,156,794.30 : 1,345,735,191.45 = 897,156,794.30 : x
  2. Step 2: Convert to fraction form
    897,156,794.30/1,345,735,191.45 = 897,156,794.30/x
  3. Step 3: Cross multiply
    897,156,794.30x = 1,345,735,191.45 × 897,156,794.30
  4. Step 4: Simplify right side
    897,156,794.30x = 1,207,335,470,337,978,624
  5. Step 5: Solve for x
    x = 1,207,335,470,337,978,624/897,156,794.30
  6. Step 6: Final answer
    x = 1,345,735,191.45

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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.