Finding the Fourth Proportional to 3,142,052,175.48, 4,713,562,538.84 and 1,071,289,661.79
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Solution
The fourth proportional to 3,142,052,175.48, 4,713,562,538.84 and 1,071,289,661.79 is: 1,607,099,607.53
Step by Step Solution
- Step 1: Write the proportion equation
3,142,052,175.48 : 4,713,562,538.84 = 1,071,289,661.79 : x - Step 2: Convert to fraction form
3,142,052,175.48/4,713,562,538.84 = 1,071,289,661.79/x - Step 3: Cross multiply
3,142,052,175.48x = 4,713,562,538.84 × 1,071,289,661.79 - Step 4: Simplify right side
3,142,052,175.48x = 5,049,590,818,054,560,768 - Step 5: Solve for x
x = 5,049,590,818,054,560,768/3,142,052,175.48 - Step 6: Final answer
x = 1,607,099,607.53
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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.