Finding the Fourth Proportional to 2,421,475,530.96, 3,632,213,343.72 and 581,228,208.24
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Solution
The fourth proportional to 2,421,475,530.96, 3,632,213,343.72 and 581,228,208.24 is: 871,842,323.71
Step by Step Solution
- Step 1: Write the proportion equation
2,421,475,530.96 : 3,632,213,343.72 = 581,228,208.24 : x - Step 2: Convert to fraction form
2,421,475,530.96/3,632,213,343.72 = 581,228,208.24/x - Step 3: Cross multiply
2,421,475,530.96x = 3,632,213,343.72 × 581,228,208.24 - Step 4: Simplify right side
2,421,475,530.96x = 2,111,144,853,715,794,688 - Step 5: Solve for x
x = 2,111,144,853,715,794,688/2,421,475,530.96 - Step 6: Final answer
x = 871,842,323.71
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1.5x scale
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.