Finding the Fourth Proportional to 2,165,387,222.19, 3,248,780,341.73 and 1,001,619,120.09
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Solution
The fourth proportional to 2,165,387,222.19, 3,248,780,341.73 and 1,001,619,120.09 is: 1,502,752,243.99
Step by Step Solution
- Step 1: Write the proportion equation
2,165,387,222.19 : 3,248,780,341.73 = 1,001,619,120.09 : x - Step 2: Convert to fraction form
2,165,387,222.19/3,248,780,341.73 = 1,001,619,120.09/x - Step 3: Cross multiply
2,165,387,222.19x = 3,248,780,341.73 × 1,001,619,120.09 - Step 4: Simplify right side
2,165,387,222.19x = 3,254,040,507,244,283,904 - Step 5: Solve for x
x = 3,254,040,507,244,283,904/2,165,387,222.19 - Step 6: Final answer
x = 1,502,752,243.99
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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.