Finding the Fourth Proportional to 266,496,027.40, 399,744,041.10 and 205,955,201.80
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Solution
The fourth proportional to 266,496,027.40, 399,744,041.10 and 205,955,201.80 is: 308,932,802.70
Step by Step Solution
- Step 1: Write the proportion equation
266,496,027.40 : 399,744,041.10 = 205,955,201.80 : x - Step 2: Convert to fraction form
266,496,027.40/399,744,041.10 = 205,955,201.80/x - Step 3: Cross multiply
266,496,027.40x = 399,744,041.10 × 205,955,201.80 - Step 4: Simplify right side
266,496,027.40x = 82,329,364,653,098,000 - Step 5: Solve for x
x = 82,329,364,653,098,000/266,496,027.40 - Step 6: Final answer
x = 308,932,802.70
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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.