Finding the Fourth Proportional to 5,633,268,178.40, 8,449,902,267.60 and 5,394,426,783.20
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Solution
The fourth proportional to 5,633,268,178.40, 8,449,902,267.60 and 5,394,426,783.20 is: 8,091,640,174.80
Step by Step Solution
- Step 1: Write the proportion equation
5,633,268,178.40 : 8,449,902,267.60 = 5,394,426,783.20 : x - Step 2: Convert to fraction form
5,633,268,178.40/8,449,902,267.60 = 5,394,426,783.20/x - Step 3: Cross multiply
5,633,268,178.40x = 8,449,902,267.60 × 5,394,426,783.20 - Step 4: Simplify right side
5,633,268,178.40x = 45,582,379,107,763,855,360 - Step 5: Solve for x
x = 45,582,379,107,763,855,360/5,633,268,178.40 - Step 6: Final answer
x = 8,091,640,174.80
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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.