Finding the Fourth Proportional to 7,178,035,230.80, 10,767,052,846.20 and 3,912,861,726.80
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Solution
The fourth proportional to 7,178,035,230.80, 10,767,052,846.20 and 3,912,861,726.80 is: 5,869,292,590.20
Step by Step Solution
- Step 1: Write the proportion equation
7,178,035,230.80 : 10,767,052,846.20 = 3,912,861,726.80 : x - Step 2: Convert to fraction form
7,178,035,230.80/10,767,052,846.20 = 3,912,861,726.80/x - Step 3: Cross multiply
7,178,035,230.80x = 10,767,052,846.20 × 3,912,861,726.80 - Step 4: Simplify right side
7,178,035,230.80x = 42,129,988,992,328,990,720 - Step 5: Solve for x
x = 42,129,988,992,328,990,720/7,178,035,230.80 - Step 6: Final answer
x = 5,869,292,590.20
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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.