Finding the Fourth Proportional to 948,985,634.80, 1,423,693,099 and 512,276,946.08
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Solution
The fourth proportional to 948,985,634.80, 1,423,693,099 and 512,276,946.08 is: 768,531,288.74
Step by Step Solution
- Step 1: Write the proportion equation
948,985,634.80 : 1,423,693,099 = 512,276,946.08 : x - Step 2: Convert to fraction form
948,985,634.80/1,423,693,099 = 512,276,946.08/x - Step 3: Cross multiply
948,985,634.80x = 1,423,693,099 × 512,276,946.08 - Step 4: Simplify right side
948,985,634.80x = 729,325,152,910,891,136 - Step 5: Solve for x
x = 729,325,152,910,891,136/948,985,634.80 - Step 6: Final answer
x = 768,531,288.74
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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.