Finding the Fourth Proportional to 313,744,994.68, 470,674,951.96 and 129,411,914.80
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Solution
The fourth proportional to 313,744,994.68, 470,674,951.96 and 129,411,914.80 is: 194,141,572.98
Step by Step Solution
- Step 1: Write the proportion equation
313,744,994.68 : 470,674,951.96 = 129,411,914.80 : x - Step 2: Convert to fraction form
313,744,994.68/470,674,951.96 = 129,411,914.80/x - Step 3: Cross multiply
313,744,994.68x = 470,674,951.96 × 129,411,914.80 - Step 4: Simplify right side
313,744,994.68x = 60,910,946,781,541,608 - Step 5: Solve for x
x = 60,910,946,781,541,608/313,744,994.68 - Step 6: Final answer
x = 194,141,572.98
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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.