Finding the Fourth Proportional to 275,676,585.70, 413,514,878.55 and 173,639,913.70
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Solution
The fourth proportional to 275,676,585.70, 413,514,878.55 and 173,639,913.70 is: 260,459,870.55
Step by Step Solution
- Step 1: Write the proportion equation
275,676,585.70 : 413,514,878.55 = 173,639,913.70 : x - Step 2: Convert to fraction form
275,676,585.70/413,514,878.55 = 173,639,913.70/x - Step 3: Cross multiply
275,676,585.70x = 413,514,878.55 × 173,639,913.70 - Step 4: Simplify right side
275,676,585.70x = 71,802,687,825,087,976 - Step 5: Solve for x
x = 71,802,687,825,087,976/275,676,585.70 - Step 6: Final answer
x = 260,459,870.55
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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.