Finding the Fourth Proportional to 6,463,599,092.16, 9,695,686,661.28 and 1,981,363,392.96
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Solution
The fourth proportional to 6,463,599,092.16, 9,695,686,661.28 and 1,981,363,392.96 is: 2,972,133,380.55
Step by Step Solution
- Step 1: Write the proportion equation
6,463,599,092.16 : 9,695,686,661.28 = 1,981,363,392.96 : x - Step 2: Convert to fraction form
6,463,599,092.16/9,695,686,661.28 = 1,981,363,392.96/x - Step 3: Cross multiply
6,463,599,092.16x = 9,695,686,661.28 × 1,981,363,392.96 - Step 4: Simplify right side
6,463,599,092.16x = 19,210,678,620,270,755,840 - Step 5: Solve for x
x = 19,210,678,620,270,755,840/6,463,599,092.16 - Step 6: Final answer
x = 2,972,133,380.55
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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.