Finding the Fourth Proportional to 275,676,587.70, 413,514,881.55 and 173,639,915.70
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Solution
The fourth proportional to 275,676,587.70, 413,514,881.55 and 173,639,915.70 is: 260,459,873.55
Step by Step Solution
- Step 1: Write the proportion equation
275,676,587.70 : 413,514,881.55 = 173,639,915.70 : x - Step 2: Convert to fraction form
275,676,587.70/413,514,881.55 = 173,639,915.70/x - Step 3: Cross multiply
275,676,587.70x = 413,514,881.55 × 173,639,915.70 - Step 4: Simplify right side
275,676,587.70x = 71,802,689,173,037,480 - Step 5: Solve for x
x = 71,802,689,173,037,480/275,676,587.70 - Step 6: Final answer
x = 260,459,873.55
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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.