Finding the Fourth Proportional to 292,413,674.70, 438,620,512.05 and 246,497,172.30
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Solution
The fourth proportional to 292,413,674.70, 438,620,512.05 and 246,497,172.30 is: 369,745,758.45
Step by Step Solution
- Step 1: Write the proportion equation
292,413,674.70 : 438,620,512.05 = 246,497,172.30 : x - Step 2: Convert to fraction form
292,413,674.70/438,620,512.05 = 246,497,172.30/x - Step 3: Cross multiply
292,413,674.70x = 438,620,512.05 × 246,497,172.30 - Step 4: Simplify right side
292,413,674.70x = 108,118,715,933,103,088 - Step 5: Solve for x
x = 108,118,715,933,103,088/292,413,674.70 - Step 6: Final answer
x = 369,745,758.45
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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.