Finding the Fourth Proportional to 9,894,014,805.80, 14,841,022,208.70 and 8,809,237,436.60
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Solution
The fourth proportional to 9,894,014,805.80, 14,841,022,208.70 and 8,809,237,436.60 is: 13,213,856,154.90
Step by Step Solution
- Step 1: Write the proportion equation
9,894,014,805.80 : 14,841,022,208.70 = 8,809,237,436.60 : x - Step 2: Convert to fraction form
9,894,014,805.80/14,841,022,208.70 = 8,809,237,436.60/x - Step 3: Cross multiply
9,894,014,805.80x = 14,841,022,208.70 × 8,809,237,436.60 - Step 4: Simplify right side
9,894,014,805.80x = 130,738,088,438,292,070,400 - Step 5: Solve for x
x = 130,738,088,438,292,070,400/9,894,014,805.80 - Step 6: Final answer
x = 13,213,856,154.90
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Double scale
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Similar ratio
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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.