Finding the Fourth Proportional to 1,100,869,511.59, 1,519,200,173.97 and 605,832,220.09
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Solution
The fourth proportional to 1,100,869,511.59, 1,519,200,173.97 and 605,832,220.09 is: 836,048,600.19
Step by Step Solution
- Step 1: Write the proportion equation
1,100,869,511.59 : 1,519,200,173.97 = 605,832,220.09 : x - Step 2: Convert to fraction form
1,100,869,511.59/1,519,200,173.97 = 605,832,220.09/x - Step 3: Cross multiply
1,100,869,511.59x = 1,519,200,173.97 × 605,832,220.09 - Step 4: Simplify right side
1,100,869,511.59x = 920,380,414,157,359,360 - Step 5: Solve for x
x = 920,380,414,157,359,360/1,100,869,511.59 - Step 6: Final answer
x = 836,048,600.19
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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.