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Finding the Fourth Proportional to 996,209,728.80, 1,494,314,593.20 and 939,774,631.20

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Solution

The fourth proportional to 996,209,728.80, 1,494,314,593.20 and 939,774,631.20 is: 1,409,661,946.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,209,728.80 : 1,494,314,593.20 = 939,774,631.20 : x
  2. Step 2: Convert to fraction form
    996,209,728.80/1,494,314,593.20 = 939,774,631.20/x
  3. Step 3: Cross multiply
    996,209,728.80x = 1,494,314,593.20 × 939,774,631.20
  4. Step 4: Simplify right side
    996,209,728.80x = 1,404,318,945,721,308,160
  5. Step 5: Solve for x
    x = 1,404,318,945,721,308,160/996,209,728.80
  6. Step 6: Final answer
    x = 1,409,661,946.80

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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.