Finding the Fourth Proportional to 1,293,747,601.60, 1,940,873,344.80 and 373,653,956.80
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Solution
The fourth proportional to 1,293,747,601.60, 1,940,873,344.80 and 373,653,956.80 is: 560,553,699.99
Step by Step Solution
- Step 1: Write the proportion equation
1,293,747,601.60 : 1,940,873,344.80 = 373,653,956.80 : x - Step 2: Convert to fraction form
1,293,747,601.60/1,940,873,344.80 = 373,653,956.80/x - Step 3: Cross multiply
1,293,747,601.60x = 1,940,873,344.80 × 373,653,956.80 - Step 4: Simplify right side
1,293,747,601.60x = 725,215,004,932,170,752 - Step 5: Solve for x
x = 725,215,004,932,170,752/1,293,747,601.60 - Step 6: Final answer
x = 560,553,699.99
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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.