Finding the Fourth Proportional to 990,672,913,003.06, 1,367,107,191,972.90 and 573,544,348,804.99
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Solution
The fourth proportional to 990,672,913,003.06, 1,367,107,191,972.90 and 573,544,348,804.99 is: 791,478,795,750.92
Step by Step Solution
- Step 1: Write the proportion equation
990,672,913,003.06 : 1,367,107,191,972.90 = 573,544,348,804.99 : x - Step 2: Convert to fraction form
990,672,913,003.06/1,367,107,191,972.90 = 573,544,348,804.99/x - Step 3: Cross multiply
990,672,913,003.06x = 1,367,107,191,972.90 × 573,544,348,804.99 - Step 4: Simplify right side
990,672,913,003.06x = 784,096,604,166,715,265,253,376 - Step 5: Solve for x
x = 784,096,604,166,715,265,253,376/990,672,913,003.06 - Step 6: Final answer
x = 791,478,795,750.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.