Finding the Fourth Proportional to 3,886,151,113.14, 5,829,243,664.76 and 1,230,220,159.91
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Solution
The fourth proportional to 3,886,151,113.14, 5,829,243,664.76 and 1,230,220,159.91 is: 1,845,335,619.90
Step by Step Solution
- Step 1: Write the proportion equation
3,886,151,113.14 : 5,829,243,664.76 = 1,230,220,159.91 : x - Step 2: Convert to fraction form
3,886,151,113.14/5,829,243,664.76 = 1,230,220,159.91/x - Step 3: Cross multiply
3,886,151,113.14x = 5,829,243,664.76 × 1,230,220,159.91 - Step 4: Simplify right side
3,886,151,113.14x = 7,171,253,073,380,104,192 - Step 5: Solve for x
x = 7,171,253,073,380,104,192/3,886,151,113.14 - Step 6: Final answer
x = 1,845,335,619.90
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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.