Finding the Fourth Proportional to 4,130,985,616.45, 6,197,694,157.80 and 1,332,901,669.10
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Solution
The fourth proportional to 4,130,985,616.45, 6,197,694,157.80 and 1,332,901,669.10 is: 1,999,744,771.47
Step by Step Solution
- Step 1: Write the proportion equation
4,130,985,616.45 : 6,197,694,157.80 = 1,332,901,669.10 : x - Step 2: Convert to fraction form
4,130,985,616.45/6,197,694,157.80 = 1,332,901,669.10/x - Step 3: Cross multiply
4,130,985,616.45x = 6,197,694,157.80 × 1,332,901,669.10 - Step 4: Simplify right side
4,130,985,616.45x = 8,260,916,887,504,596,992 - Step 5: Solve for x
x = 8,260,916,887,504,596,992/4,130,985,616.45 - Step 6: Final answer
x = 1,999,744,771.47
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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.