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Finding the Fourth Proportional to 202,183,485.80, 303,275,228.70 and 198,152,407.40

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Solution

The fourth proportional to 202,183,485.80, 303,275,228.70 and 198,152,407.40 is: 297,228,611.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,183,485.80 : 303,275,228.70 = 198,152,407.40 : x
  2. Step 2: Convert to fraction form
    202,183,485.80/303,275,228.70 = 198,152,407.40/x
  3. Step 3: Cross multiply
    202,183,485.80x = 303,275,228.70 × 198,152,407.40
  4. Step 4: Simplify right side
    202,183,485.80x = 60,094,716,671,690,568
  5. Step 5: Solve for x
    x = 60,094,716,671,690,568/202,183,485.80
  6. Step 6: Final answer
    x = 297,228,611.10

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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.