Finding the Fourth Proportional to 921,622,663.31, 1,382,435,325.50 and 376,364,197.31
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Solution
The fourth proportional to 921,622,663.31, 1,382,435,325.50 and 376,364,197.31 is: 564,546,839.32
Step by Step Solution
- Step 1: Write the proportion equation
921,622,663.31 : 1,382,435,325.50 = 376,364,197.31 : x - Step 2: Convert to fraction form
921,622,663.31/1,382,435,325.50 = 376,364,197.31/x - Step 3: Cross multiply
921,622,663.31x = 1,382,435,325.50 × 376,364,197.31 - Step 4: Simplify right side
921,622,663.31x = 520,299,161,616,370,304 - Step 5: Solve for x
x = 520,299,161,616,370,304/921,622,663.31 - Step 6: Final answer
x = 564,546,839.32
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1.5x scale
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.