Finding the Fourth Proportional to 5,270,487,365.13, 7,905,452,612.27 and 1,728,762,274.47
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Solution
The fourth proportional to 5,270,487,365.13, 7,905,452,612.27 and 1,728,762,274.47 is: 2,593,052,082.65
Step by Step Solution
- Step 1: Write the proportion equation
5,270,487,365.13 : 7,905,452,612.27 = 1,728,762,274.47 : x - Step 2: Convert to fraction form
5,270,487,365.13/7,905,452,612.27 = 1,728,762,274.47/x - Step 3: Cross multiply
5,270,487,365.13x = 7,905,452,612.27 × 1,728,762,274.47 - Step 4: Simplify right side
5,270,487,365.13x = 13,666,648,238,724,085,760 - Step 5: Solve for x
x = 13,666,648,238,724,085,760/5,270,487,365.13 - Step 6: Final answer
x = 2,593,052,082.65
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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.