Finding the Fourth Proportional to 3,186,875,221.48, 4,780,321,800.34 and 1,222,330,491.84
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Solution
The fourth proportional to 3,186,875,221.48, 4,780,321,800.34 and 1,222,330,491.84 is: 1,833,499,177.50
Step by Step Solution
- Step 1: Write the proportion equation
3,186,875,221.48 : 4,780,321,800.34 = 1,222,330,491.84 : x - Step 2: Convert to fraction form
3,186,875,221.48/4,780,321,800.34 = 1,222,330,491.84/x - Step 3: Cross multiply
3,186,875,221.48x = 4,780,321,800.34 × 1,222,330,491.84 - Step 4: Simplify right side
3,186,875,221.48x = 5,843,133,097,363,065,856 - Step 5: Solve for x
x = 5,843,133,097,363,065,856/3,186,875,221.48 - Step 6: Final answer
x = 1,833,499,177.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.