Finding the Fourth Proportional to 864,046,583.70, 1,192,387,424.04 and 467,569,530.21
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Solution
The fourth proportional to 864,046,583.70, 1,192,387,424.04 and 467,569,530.21 is: 645,247,650.07
Step by Step Solution
- Step 1: Write the proportion equation
864,046,583.70 : 1,192,387,424.04 = 467,569,530.21 : x - Step 2: Convert to fraction form
864,046,583.70/1,192,387,424.04 = 467,569,530.21/x - Step 3: Cross multiply
864,046,583.70x = 1,192,387,424.04 × 467,569,530.21 - Step 4: Simplify right side
864,046,583.70x = 557,524,027,686,694,848 - Step 5: Solve for x
x = 557,524,027,686,694,848/864,046,583.70 - Step 6: Final answer
x = 645,247,650.07
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1.5x scale
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.