Finding the Fourth Proportional to 1,612,169,955.36, 2,225,481,018.84 and 1,083,840,353.28
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Solution
The fourth proportional to 1,612,169,955.36, 2,225,481,018.84 and 1,083,840,353.28 is: 1,496,161,199.17
Step by Step Solution
- Step 1: Write the proportion equation
1,612,169,955.36 : 2,225,481,018.84 = 1,083,840,353.28 : x - Step 2: Convert to fraction form
1,612,169,955.36/2,225,481,018.84 = 1,083,840,353.28/x - Step 3: Cross multiply
1,612,169,955.36x = 2,225,481,018.84 × 1,083,840,353.28 - Step 4: Simplify right side
1,612,169,955.36x = 2,412,066,133,677,479,936 - Step 5: Solve for x
x = 2,412,066,133,677,479,936/1,612,169,955.36 - Step 6: Final answer
x = 1,496,161,199.17
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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.