Finding the Fourth Proportional to 661,472,916.35, 992,209,374.05 and 246,982,107.20
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Solution
The fourth proportional to 661,472,916.35, 992,209,374.05 and 246,982,107.20 is: 370,473,160.62
Step by Step Solution
- Step 1: Write the proportion equation
661,472,916.35 : 992,209,374.05 = 246,982,107.20 : x - Step 2: Convert to fraction form
661,472,916.35/992,209,374.05 = 246,982,107.20/x - Step 3: Cross multiply
661,472,916.35x = 992,209,374.05 × 246,982,107.20 - Step 4: Simplify right side
661,472,916.35x = 245,057,961,980,266,016 - Step 5: Solve for x
x = 245,057,961,980,266,016/661,472,916.35 - Step 6: Final answer
x = 370,473,160.62
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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.