Finding the Fourth Proportional to 3,106,207,854, 4,283,727,888.60 and 2,428,114,390.56
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Solution
The fourth proportional to 3,106,207,854, 4,283,727,888.60 and 2,428,114,390.56 is: 3,348,578,659.40
Step by Step Solution
- Step 1: Write the proportion equation
3,106,207,854 : 4,283,727,888.60 = 2,428,114,390.56 : x - Step 2: Convert to fraction form
3,106,207,854/4,283,727,888.60 = 2,428,114,390.56/x - Step 3: Cross multiply
3,106,207,854x = 4,283,727,888.60 × 2,428,114,390.56 - Step 4: Simplify right side
3,106,207,854x = 10,401,381,331,552,864,256 - Step 5: Solve for x
x = 10,401,381,331,552,864,256/3,106,207,854 - Step 6: Final answer
x = 3,348,578,659.40
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.