Finding the Fourth Proportional to 1,530,553,313,974.20, 2,112,227,741,271.30 and 880,232,405,355.84
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Solution
The fourth proportional to 1,530,553,313,974.20, 2,112,227,741,271.30 and 880,232,405,355.84 is: 1,214,757,622,869.65
Step by Step Solution
- Step 1: Write the proportion equation
1,530,553,313,974.20 : 2,112,227,741,271.30 = 880,232,405,355.84 : x - Step 2: Convert to fraction form
1,530,553,313,974.20/2,112,227,741,271.30 = 880,232,405,355.84/x - Step 3: Cross multiply
1,530,553,313,974.20x = 2,112,227,741,271.30 × 880,232,405,355.84 - Step 4: Simplify right side
1,530,553,313,974.20x = 1,859,251,305,358,569,313,927,168 - Step 5: Solve for x
x = 1,859,251,305,358,569,313,927,168/1,530,553,313,974.20 - Step 6: Final answer
x = 1,214,757,622,869.65
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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.