Finding the Fourth Proportional to 2,193,688,383.48, 3,027,295,836.90 and 1,190,105,947.98
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Solution
The fourth proportional to 2,193,688,383.48, 3,027,295,836.90 and 1,190,105,947.98 is: 1,642,349,391.52
Step by Step Solution
- Step 1: Write the proportion equation
2,193,688,383.48 : 3,027,295,836.90 = 1,190,105,947.98 : x - Step 2: Convert to fraction form
2,193,688,383.48/3,027,295,836.90 = 1,190,105,947.98/x - Step 3: Cross multiply
2,193,688,383.48x = 3,027,295,836.90 × 1,190,105,947.98 - Step 4: Simplify right side
2,193,688,383.48x = 3,602,802,781,789,782,016 - Step 5: Solve for x
x = 3,602,802,781,789,782,016/2,193,688,383.48 - Step 6: Final answer
x = 1,642,349,391.52
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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.