Finding the Fourth Proportional to 4,724,625,888.24, 7,081,988,474.82 and 2,201,473,911.90
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Solution
The fourth proportional to 4,724,625,888.24, 7,081,988,474.82 and 2,201,473,911.90 is: 3,299,904,212.63
Step by Step Solution
- Step 1: Write the proportion equation
4,724,625,888.24 : 7,081,988,474.82 = 2,201,473,911.90 : x - Step 2: Convert to fraction form
4,724,625,888.24/7,081,988,474.82 = 2,201,473,911.90/x - Step 3: Cross multiply
4,724,625,888.24x = 7,081,988,474.82 × 2,201,473,911.90 - Step 4: Simplify right side
4,724,625,888.24x = 15,590,812,871,692,699,648 - Step 5: Solve for x
x = 15,590,812,871,692,699,648/4,724,625,888.24 - Step 6: Final answer
x = 3,299,904,212.63
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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.