Finding the Fourth Proportional to 6,390,727,989.80, 9,586,091,984.70 and 2,950,874,421.80
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Solution
The fourth proportional to 6,390,727,989.80, 9,586,091,984.70 and 2,950,874,421.80 is: 4,426,311,632.70
Step by Step Solution
- Step 1: Write the proportion equation
6,390,727,989.80 : 9,586,091,984.70 = 2,950,874,421.80 : x - Step 2: Convert to fraction form
6,390,727,989.80/9,586,091,984.70 = 2,950,874,421.80/x - Step 3: Cross multiply
6,390,727,989.80x = 9,586,091,984.70 × 2,950,874,421.80 - Step 4: Simplify right side
6,390,727,989.80x = 28,287,353,642,673,229,824 - Step 5: Solve for x
x = 28,287,353,642,673,229,824/6,390,727,989.80 - Step 6: Final answer
x = 4,426,311,632.70
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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.