Finding the Fourth Proportional to 4,251,643,812.40, 6,377,465,718.60 and 4,194,312,919.60
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Solution
The fourth proportional to 4,251,643,812.40, 6,377,465,718.60 and 4,194,312,919.60 is: 6,291,469,379.40
Step by Step Solution
- Step 1: Write the proportion equation
4,251,643,812.40 : 6,377,465,718.60 = 4,194,312,919.60 : x - Step 2: Convert to fraction form
4,251,643,812.40/6,377,465,718.60 = 4,194,312,919.60/x - Step 3: Cross multiply
4,251,643,812.40x = 6,377,465,718.60 × 4,194,312,919.60 - Step 4: Simplify right side
4,251,643,812.40x = 26,749,086,857,830,080,512 - Step 5: Solve for x
x = 26,749,086,857,830,080,512/4,251,643,812.40 - Step 6: Final answer
x = 6,291,469,379.40
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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.