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Finding the Fourth Proportional to 499,263,993.60, 747,888,220.80 and 499,263,993.60

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Solution

The fourth proportional to 499,263,993.60, 747,888,220.80 and 499,263,993.60 is: 747,888,220.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,263,993.60 : 747,888,220.80 = 499,263,993.60 : x
  2. Step 2: Convert to fraction form
    499,263,993.60/747,888,220.80 = 499,263,993.60/x
  3. Step 3: Cross multiply
    499,263,993.60x = 747,888,220.80 × 499,263,993.60
  4. Step 4: Simplify right side
    499,263,993.60x = 373,393,659,883,006,592
  5. Step 5: Solve for x
    x = 373,393,659,883,006,592/499,263,993.60
  6. Step 6: Final answer
    x = 747,888,220.80

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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.