Finding the Fourth Proportional to 8,641,278,917.84, 11,926,883,309.20 and 5,253,468,341.20
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Solution
The fourth proportional to 8,641,278,917.84, 11,926,883,309.20 and 5,253,468,341.20 is: 7,250,952,604.33
Step by Step Solution
- Step 1: Write the proportion equation
8,641,278,917.84 : 11,926,883,309.20 = 5,253,468,341.20 : x - Step 2: Convert to fraction form
8,641,278,917.84/11,926,883,309.20 = 5,253,468,341.20/x - Step 3: Cross multiply
8,641,278,917.84x = 11,926,883,309.20 × 5,253,468,341.20 - Step 4: Simplify right side
8,641,278,917.84x = 62,657,503,874,068,889,600 - Step 5: Solve for x
x = 62,657,503,874,068,889,600/8,641,278,917.84 - Step 6: Final answer
x = 7,250,952,604.33
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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.