Finding the Fourth Proportional to 5,589,504,813.20, 8,384,257,219.80 and 4,299,559,725.20
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Solution
The fourth proportional to 5,589,504,813.20, 8,384,257,219.80 and 4,299,559,725.20 is: 6,449,339,587.80
Step by Step Solution
- Step 1: Write the proportion equation
5,589,504,813.20 : 8,384,257,219.80 = 4,299,559,725.20 : x - Step 2: Convert to fraction form
5,589,504,813.20/8,384,257,219.80 = 4,299,559,725.20/x - Step 3: Cross multiply
5,589,504,813.20x = 8,384,257,219.80 × 4,299,559,725.20 - Step 4: Simplify right side
5,589,504,813.20x = 36,048,614,667,969,404,928 - Step 5: Solve for x
x = 36,048,614,667,969,404,928/5,589,504,813.20 - Step 6: Final answer
x = 6,449,339,587.80
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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.