Finding the Fourth Proportional to 2,436,811,186.15, 3,655,563,845.91 and 756,241,871.84
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Solution
The fourth proportional to 2,436,811,186.15, 3,655,563,845.91 and 756,241,871.84 is: 1,134,470,516.70
Step by Step Solution
- Step 1: Write the proportion equation
2,436,811,186.15 : 3,655,563,845.91 = 756,241,871.84 : x - Step 2: Convert to fraction form
2,436,811,186.15/3,655,563,845.91 = 756,241,871.84/x - Step 3: Cross multiply
2,436,811,186.15x = 3,655,563,845.91 × 756,241,871.84 - Step 4: Simplify right side
2,436,811,186.15x = 2,764,490,445,461,607,936 - Step 5: Solve for x
x = 2,764,490,445,461,607,936/2,436,811,186.15 - Step 6: Final answer
x = 1,134,470,516.70
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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.