Finding the Fourth Proportional to 7,771,306,397.21, 10,724,402,553.20 and 4,203,013,216.99
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Solution
The fourth proportional to 7,771,306,397.21, 10,724,402,553.20 and 4,203,013,216.99 is: 5,800,158,090.73
Step by Step Solution
- Step 1: Write the proportion equation
7,771,306,397.21 : 10,724,402,553.20 = 4,203,013,216.99 : x - Step 2: Convert to fraction form
7,771,306,397.21/10,724,402,553.20 = 4,203,013,216.99/x - Step 3: Cross multiply
7,771,306,397.21x = 10,724,402,553.20 × 4,203,013,216.99 - Step 4: Simplify right side
7,771,306,397.21x = 45,074,805,675,367,620,608 - Step 5: Solve for x
x = 45,074,805,675,367,620,608/7,771,306,397.21 - Step 6: Final answer
x = 5,800,158,090.73
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.