Finding the Fourth Proportional to 1,573,589,552.92, 2,171,542,339.74 and 859,125,083.92
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Solution
The fourth proportional to 1,573,589,552.92, 2,171,542,339.74 and 859,125,083.92 is: 1,185,586,477.37
Step by Step Solution
- Step 1: Write the proportion equation
1,573,589,552.92 : 2,171,542,339.74 = 859,125,083.92 : x - Step 2: Convert to fraction form
1,573,589,552.92/2,171,542,339.74 = 859,125,083.92/x - Step 3: Cross multiply
1,573,589,552.92x = 2,171,542,339.74 × 859,125,083.92 - Step 4: Simplify right side
1,573,589,552.92x = 1,865,626,494,864,960,256 - Step 5: Solve for x
x = 1,865,626,494,864,960,256/1,573,589,552.92 - Step 6: Final answer
x = 1,185,586,477.37
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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.