Finding the Fourth Proportional to 12,788,244,532.49, 19,088,700,677.17 and 11,278,596,027.02
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Solution
The fourth proportional to 12,788,244,532.49, 19,088,700,677.17 and 11,278,596,027.02 is: 16,835,285,177.06
Step by Step Solution
- Step 1: Write the proportion equation
12,788,244,532.49 : 19,088,700,677.17 = 11,278,596,027.02 : x - Step 2: Convert to fraction form
12,788,244,532.49/19,088,700,677.17 = 11,278,596,027.02/x - Step 3: Cross multiply
12,788,244,532.49x = 19,088,700,677.17 × 11,278,596,027.02 - Step 4: Simplify right side
12,788,244,532.49x = 215,293,743,618,374,238,208 - Step 5: Solve for x
x = 215,293,743,618,374,238,208/12,788,244,532.49 - Step 6: Final answer
x = 16,835,285,177.06
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.