Finding the Fourth Proportional to 1,530,553,313,974.70, 2,112,227,741,272 and 880,232,405,356.33
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Solution
The fourth proportional to 1,530,553,313,974.70, 2,112,227,741,272 and 880,232,405,356.33 is: 1,214,757,622,870.34
Step by Step Solution
- Step 1: Write the proportion equation
1,530,553,313,974.70 : 2,112,227,741,272 = 880,232,405,356.33 : x - Step 2: Convert to fraction form
1,530,553,313,974.70/2,112,227,741,272 = 880,232,405,356.33/x - Step 3: Cross multiply
1,530,553,313,974.70x = 2,112,227,741,272 × 880,232,405,356.33 - Step 4: Simplify right side
1,530,553,313,974.70x = 1,859,251,305,360,220,460,417,024 - Step 5: Solve for x
x = 1,859,251,305,360,220,460,417,024/1,530,553,313,974.70 - Step 6: Final answer
x = 1,214,757,622,870.34
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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.