Finding the Fourth Proportional to 11,492,643,997.17, 15,859,841,701.11 and 6,212,246,221.17
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Solution
The fourth proportional to 11,492,643,997.17, 15,859,841,701.11 and 6,212,246,221.17 is: 8,572,895,993.33
Step by Step Solution
- Step 1: Write the proportion equation
11,492,643,997.17 : 15,859,841,701.11 = 6,212,246,221.17 : x - Step 2: Convert to fraction form
11,492,643,997.17/15,859,841,701.11 = 6,212,246,221.17/x - Step 3: Cross multiply
11,492,643,997.17x = 15,859,841,701.11 × 6,212,246,221.17 - Step 4: Simplify right side
11,492,643,997.17x = 98,525,241,676,074,991,616 - Step 5: Solve for x
x = 98,525,241,676,074,991,616/11,492,643,997.17 - Step 6: Final answer
x = 8,572,895,993.33
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Double scale
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1.5x scale
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.