Finding the Fourth Proportional to 2,377,579,438.14, 3,281,099,140.80 and 1,305,981,852.90
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Solution
The fourth proportional to 2,377,579,438.14, 3,281,099,140.80 and 1,305,981,852.90 is: 1,802,276,662.86
Step by Step Solution
- Step 1: Write the proportion equation
2,377,579,438.14 : 3,281,099,140.80 = 1,305,981,852.90 : x - Step 2: Convert to fraction form
2,377,579,438.14/3,281,099,140.80 = 1,305,981,852.90/x - Step 3: Cross multiply
2,377,579,438.14x = 3,281,099,140.80 × 1,305,981,852.90 - Step 4: Simplify right side
2,377,579,438.14x = 4,285,055,935,450,582,528 - Step 5: Solve for x
x = 4,285,055,935,450,582,528/2,377,579,438.14 - Step 6: Final answer
x = 1,802,276,662.86
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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.