Finding the Fourth Proportional to 268,275,623.70, 402,413,435.55 and 268,275,623.70
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Solution
The fourth proportional to 268,275,623.70, 402,413,435.55 and 268,275,623.70 is: 402,413,435.55
Step by Step Solution
- Step 1: Write the proportion equation
268,275,623.70 : 402,413,435.55 = 268,275,623.70 : x - Step 2: Convert to fraction form
268,275,623.70/402,413,435.55 = 268,275,623.70/x - Step 3: Cross multiply
268,275,623.70x = 402,413,435.55 × 268,275,623.70 - Step 4: Simplify right side
268,275,623.70x = 107,957,715,407,436,000 - Step 5: Solve for x
x = 107,957,715,407,436,000/268,275,623.70 - Step 6: Final answer
x = 402,413,435.55
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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.