Finding the Fourth Proportional to 6,887,489,912,648.20, 9,505,024,835,394.80 and 3,961,045,823,865
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Solution
The fourth proportional to 6,887,489,912,648.20, 9,505,024,835,394.80 and 3,961,045,823,865 is: 5,466,409,302,586.92
Step by Step Solution
- Step 1: Write the proportion equation
6,887,489,912,648.20 : 9,505,024,835,394.80 = 3,961,045,823,865 : x - Step 2: Convert to fraction form
6,887,489,912,648.20/9,505,024,835,394.80 = 3,961,045,823,865/x - Step 3: Cross multiply
6,887,489,912,648.20x = 9,505,024,835,394.80 × 3,961,045,823,865 - Step 4: Simplify right side
6,887,489,912,648.20x = 37,649,838,929,973,683,878,363,136 - Step 5: Solve for x
x = 37,649,838,929,973,683,878,363,136/6,887,489,912,648.20 - Step 6: Final answer
x = 5,466,409,302,586.92
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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.