Finding the Fourth Proportional to 939,531,414.44, 1,409,478,611.34 and 357,220,384.04
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Solution
The fourth proportional to 939,531,414.44, 1,409,478,611.34 and 357,220,384.04 is: 535,899,580.47
Step by Step Solution
- Step 1: Write the proportion equation
939,531,414.44 : 1,409,478,611.34 = 357,220,384.04 : x - Step 2: Convert to fraction form
939,531,414.44/1,409,478,611.34 = 357,220,384.04/x - Step 3: Cross multiply
939,531,414.44x = 1,409,478,611.34 × 357,220,384.04 - Step 4: Simplify right side
939,531,414.44x = 503,494,490,839,040,704 - Step 5: Solve for x
x = 503,494,490,839,040,704/939,531,414.44 - Step 6: Final answer
x = 535,899,580.47
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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.