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Finding the Fourth Proportional to 898,704,345.60, 1,348,056,518.40 and 898,704,345.60

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Solution

The fourth proportional to 898,704,345.60, 1,348,056,518.40 and 898,704,345.60 is: 1,348,056,518.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,704,345.60 : 1,348,056,518.40 = 898,704,345.60 : x
  2. Step 2: Convert to fraction form
    898,704,345.60/1,348,056,518.40 = 898,704,345.60/x
  3. Step 3: Cross multiply
    898,704,345.60x = 1,348,056,518.40 × 898,704,345.60
  4. Step 4: Simplify right side
    898,704,345.60x = 1,211,504,251,200,486,400
  5. Step 5: Solve for x
    x = 1,211,504,251,200,486,400/898,704,345.60
  6. Step 6: Final answer
    x = 1,348,056,518.40

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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.