Finding the Fourth Proportional to 69,090,192,043.30, 103,635,292,263.99 and 16,745,379,307.30
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Solution
The fourth proportional to 69,090,192,043.30, 103,635,292,263.99 and 16,745,379,307.30 is: 25,118,069,978.67
Step by Step Solution
- Step 1: Write the proportion equation
69,090,192,043.30 : 103,635,292,263.99 = 16,745,379,307.30 : x - Step 2: Convert to fraction form
69,090,192,043.30/103,635,292,263.99 = 16,745,379,307.30/x - Step 3: Cross multiply
69,090,192,043.30x = 103,635,292,263.99 × 16,745,379,307.30 - Step 4: Simplify right side
69,090,192,043.30x = 1,735,412,278,583,405,838,336 - Step 5: Solve for x
x = 1,735,412,278,583,405,838,336/69,090,192,043.30 - Step 6: Final answer
x = 25,118,069,978.67
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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.