Finding the Fourth Proportional to 665,246,823,195.14, 997,859,330,173.80 and 211,959,569,619.72
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Solution
The fourth proportional to 665,246,823,195.14, 997,859,330,173.80 and 211,959,569,619.72 is: 317,935,880,022.41
Step by Step Solution
- Step 1: Write the proportion equation
665,246,823,195.14 : 997,859,330,173.80 = 211,959,569,619.72 : x - Step 2: Convert to fraction form
665,246,823,195.14/997,859,330,173.80 = 211,959,569,619.72/x - Step 3: Cross multiply
665,246,823,195.14x = 997,859,330,173.80 × 211,959,569,619.72 - Step 4: Simplify right side
665,246,823,195.14x = 211,505,834,164,660,744,486,912 - Step 5: Solve for x
x = 211,505,834,164,660,744,486,912/665,246,823,195.14 - Step 6: Final answer
x = 317,935,880,022.41
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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.