Finding the Fourth Proportional to 299,217,292.02, 448,436,630.79 and 121,747,611.09
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Solution
The fourth proportional to 299,217,292.02, 448,436,630.79 and 121,747,611.09 is: 182,463,012.60
Step by Step Solution
- Step 1: Write the proportion equation
299,217,292.02 : 448,436,630.79 = 121,747,611.09 : x - Step 2: Convert to fraction form
299,217,292.02/448,436,630.79 = 121,747,611.09/x - Step 3: Cross multiply
299,217,292.02x = 448,436,630.79 × 121,747,611.09 - Step 4: Simplify right side
299,217,292.02x = 54,596,088,523,930,840 - Step 5: Solve for x
x = 54,596,088,523,930,840/299,217,292.02 - Step 6: Final answer
x = 182,463,012.60
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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.