Finding the Fourth Proportional to 14,259,407,964.84, 19,676,995,520.58 and 7,915,276,112.04
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Solution
The fourth proportional to 14,259,407,964.84, 19,676,995,520.58 and 7,915,276,112.04 is: 10,922,532,897.92
Step by Step Solution
- Step 1: Write the proportion equation
14,259,407,964.84 : 19,676,995,520.58 = 7,915,276,112.04 : x - Step 2: Convert to fraction form
14,259,407,964.84/19,676,995,520.58 = 7,915,276,112.04/x - Step 3: Cross multiply
14,259,407,964.84x = 19,676,995,520.58 × 7,915,276,112.04 - Step 4: Simplify right side
14,259,407,964.84x = 155,748,852,600,764,956,672 - Step 5: Solve for x
x = 155,748,852,600,764,956,672/14,259,407,964.84 - Step 6: Final answer
x = 10,922,532,897.92
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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.