Finding the Fourth Proportional to 997,618,074.84, 1,376,760,927.42 and 551,573,184.60
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Solution
The fourth proportional to 997,618,074.84, 1,376,760,927.42 and 551,573,184.60 is: 761,197,524.71
Step by Step Solution
- Step 1: Write the proportion equation
997,618,074.84 : 1,376,760,927.42 = 551,573,184.60 : x - Step 2: Convert to fraction form
997,618,074.84/1,376,760,927.42 = 551,573,184.60/x - Step 3: Cross multiply
997,618,074.84x = 1,376,760,927.42 × 551,573,184.60 - Step 4: Simplify right side
997,618,074.84x = 759,384,409,169,898,880 - Step 5: Solve for x
x = 759,384,409,169,898,880/997,618,074.84 - Step 6: Final answer
x = 761,197,524.71
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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.