Finding the Fourth Proportional to 266,342,409, 399,513,613.50 and 74,866,185
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Solution
The fourth proportional to 266,342,409, 399,513,613.50 and 74,866,185 is: 112,299,277.50
Step by Step Solution
- Step 1: Write the proportion equation
266,342,409 : 399,513,613.50 = 74,866,185 : x - Step 2: Convert to fraction form
266,342,409/399,513,613.50 = 74,866,185/x - Step 3: Cross multiply
266,342,409x = 399,513,613.50 × 74,866,185 - Step 4: Simplify right side
266,342,409x = 29,910,060,098,309,496 - Step 5: Solve for x
x = 29,910,060,098,309,496/266,342,409 - Step 6: Final answer
x = 112,299,277.50
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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.