Finding the Fourth Proportional to 4,375,478,801.60, 6,563,218,202.40 and 4,222,596,420.80
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Solution
The fourth proportional to 4,375,478,801.60, 6,563,218,202.40 and 4,222,596,420.80 is: 6,333,894,631.20
Step by Step Solution
- Step 1: Write the proportion equation
4,375,478,801.60 : 6,563,218,202.40 = 4,222,596,420.80 : x - Step 2: Convert to fraction form
4,375,478,801.60/6,563,218,202.40 = 4,222,596,420.80/x - Step 3: Cross multiply
4,375,478,801.60x = 6,563,218,202.40 × 4,222,596,420.80 - Step 4: Simplify right side
4,375,478,801.60x = 27,713,821,690,383,650,816 - Step 5: Solve for x
x = 27,713,821,690,383,650,816/4,375,478,801.60 - Step 6: Final answer
x = 6,333,894,631.20
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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.