Finding the Fourth Proportional to 5,035,394,437.60, 7,553,091,656.40 and 2,858,612,101.60
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Solution
The fourth proportional to 5,035,394,437.60, 7,553,091,656.40 and 2,858,612,101.60 is: 4,287,918,152.40
Step by Step Solution
- Step 1: Write the proportion equation
5,035,394,437.60 : 7,553,091,656.40 = 2,858,612,101.60 : x - Step 2: Convert to fraction form
5,035,394,437.60/7,553,091,656.40 = 2,858,612,101.60/x - Step 3: Cross multiply
5,035,394,437.60x = 7,553,091,656.40 × 2,858,612,101.60 - Step 4: Simplify right side
5,035,394,437.60x = 21,591,359,213,479,026,688 - Step 5: Solve for x
x = 21,591,359,213,479,026,688/5,035,394,437.60 - Step 6: Final answer
x = 4,287,918,152.40
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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.