Finding the Fourth Proportional to 4,468,971,343.20, 6,703,457,014.80 and 3,978,238,723.80
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Solution
The fourth proportional to 4,468,971,343.20, 6,703,457,014.80 and 3,978,238,723.80 is: 5,967,358,085.70
Step by Step Solution
- Step 1: Write the proportion equation
4,468,971,343.20 : 6,703,457,014.80 = 3,978,238,723.80 : x - Step 2: Convert to fraction form
4,468,971,343.20/6,703,457,014.80 = 3,978,238,723.80/x - Step 3: Cross multiply
4,468,971,343.20x = 6,703,457,014.80 × 3,978,238,723.80 - Step 4: Simplify right side
4,468,971,343.20x = 26,667,952,279,606,112,256 - Step 5: Solve for x
x = 26,667,952,279,606,112,256/4,468,971,343.20 - Step 6: Final answer
x = 5,967,358,085.70
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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.