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Finding the Fourth Proportional to 724,336,875.60, 1,086,505,313.40 and 724,336,875.60

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Solution

The fourth proportional to 724,336,875.60, 1,086,505,313.40 and 724,336,875.60 is: 1,086,505,313.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,336,875.60 : 1,086,505,313.40 = 724,336,875.60 : x
  2. Step 2: Convert to fraction form
    724,336,875.60/1,086,505,313.40 = 724,336,875.60/x
  3. Step 3: Cross multiply
    724,336,875.60x = 1,086,505,313.40 × 724,336,875.60
  4. Step 4: Simplify right side
    724,336,875.60x = 786,995,864,030,954,880
  5. Step 5: Solve for x
    x = 786,995,864,030,954,880/724,336,875.60
  6. Step 6: Final answer
    x = 1,086,505,313.40

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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.