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Finding the Fourth Proportional to 622,971,906.55, 934,457,859.83 and 622,971,906.55

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Solution

The fourth proportional to 622,971,906.55, 934,457,859.83 and 622,971,906.55 is: 934,457,859.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,971,906.55 : 934,457,859.83 = 622,971,906.55 : x
  2. Step 2: Convert to fraction form
    622,971,906.55/934,457,859.83 = 622,971,906.55/x
  3. Step 3: Cross multiply
    622,971,906.55x = 934,457,859.83 × 622,971,906.55
  4. Step 4: Simplify right side
    622,971,906.55x = 582,140,994,528,927,744
  5. Step 5: Solve for x
    x = 582,140,994,528,927,744/622,971,906.55
  6. Step 6: Final answer
    x = 934,457,859.83

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Double scale
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Similar ratio
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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.