Finding the Fourth Proportional to 3,476,662,563.20, 5,214,993,844.80 and 2,660,369,187.20
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Solution
The fourth proportional to 3,476,662,563.20, 5,214,993,844.80 and 2,660,369,187.20 is: 3,990,553,780.80
Step by Step Solution
- Step 1: Write the proportion equation
3,476,662,563.20 : 5,214,993,844.80 = 2,660,369,187.20 : x - Step 2: Convert to fraction form
3,476,662,563.20/5,214,993,844.80 = 2,660,369,187.20/x - Step 3: Cross multiply
3,476,662,563.20x = 5,214,993,844.80 × 2,660,369,187.20 - Step 4: Simplify right side
3,476,662,563.20x = 13,873,808,936,143,579,136 - Step 5: Solve for x
x = 13,873,808,936,143,579,136/3,476,662,563.20 - Step 6: Final answer
x = 3,990,553,780.80
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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.