Finding the Fourth Proportional to 608,232,251.81, 912,439,424.05 and 220,145,882.67
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Solution
The fourth proportional to 608,232,251.81, 912,439,424.05 and 220,145,882.67 is: 330,251,777.66
Step by Step Solution
- Step 1: Write the proportion equation
608,232,251.81 : 912,439,424.05 = 220,145,882.67 : x - Step 2: Convert to fraction form
608,232,251.81/912,439,424.05 = 220,145,882.67/x - Step 3: Cross multiply
608,232,251.81x = 912,439,424.05 × 220,145,882.67 - Step 4: Simplify right side
608,232,251.81x = 200,869,782,389,843,296 - Step 5: Solve for x
x = 200,869,782,389,843,296/608,232,251.81 - Step 6: Final answer
x = 330,251,777.66
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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.