Finding the Fourth Proportional to 3,408,006,996.80, 5,107,979,416.80 and 1,771,389,166.40
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Solution
The fourth proportional to 3,408,006,996.80, 5,107,979,416.80 and 1,771,389,166.40 is: 2,654,988,504.90
Step by Step Solution
- Step 1: Write the proportion equation
3,408,006,996.80 : 5,107,979,416.80 = 1,771,389,166.40 : x - Step 2: Convert to fraction form
3,408,006,996.80/5,107,979,416.80 = 1,771,389,166.40/x - Step 3: Cross multiply
3,408,006,996.80x = 5,107,979,416.80 × 1,771,389,166.40 - Step 4: Simplify right side
3,408,006,996.80x = 9,048,219,401,113,710,592 - Step 5: Solve for x
x = 9,048,219,401,113,710,592/3,408,006,996.80 - Step 6: Final answer
x = 2,654,988,504.90
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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.