Finding the Fourth Proportional to 1,530,553,313,913.70, 2,112,227,741,187.80 and 880,232,405,295.28
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Solution
The fourth proportional to 1,530,553,313,913.70, 2,112,227,741,187.80 and 880,232,405,295.28 is: 1,214,757,622,786.07
Step by Step Solution
- Step 1: Write the proportion equation
1,530,553,313,913.70 : 2,112,227,741,187.80 = 880,232,405,295.28 : x - Step 2: Convert to fraction form
1,530,553,313,913.70/2,112,227,741,187.80 = 880,232,405,295.28/x - Step 3: Cross multiply
1,530,553,313,913.70x = 2,112,227,741,187.80 × 880,232,405,295.28 - Step 4: Simplify right side
1,530,553,313,913.70x = 1,859,251,305,157,153,332,920,320 - Step 5: Solve for x
x = 1,859,251,305,157,153,332,920,320/1,530,553,313,913.70 - Step 6: Final answer
x = 1,214,757,622,786.07
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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.