Finding the Fourth Proportional to 1,068,077,576.70, 1,602,297,252.09 and 368,379,732.06
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Solution
The fourth proportional to 1,068,077,576.70, 1,602,297,252.09 and 368,379,732.06 is: 552,631,985.99
Step by Step Solution
- Step 1: Write the proportion equation
1,068,077,576.70 : 1,602,297,252.09 = 368,379,732.06 : x - Step 2: Convert to fraction form
1,068,077,576.70/1,602,297,252.09 = 368,379,732.06/x - Step 3: Cross multiply
1,068,077,576.70x = 1,602,297,252.09 × 368,379,732.06 - Step 4: Simplify right side
1,068,077,576.70x = 590,253,832,405,388,416 - Step 5: Solve for x
x = 590,253,832,405,388,416/1,068,077,576.70 - Step 6: Final answer
x = 552,631,985.99
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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.