Finding the Fourth Proportional to 3,170,564,785,047.20, 4,753,280,719,194.50 and 991,236,989,634.75
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Solution
The fourth proportional to 3,170,564,785,047.20, 4,753,280,719,194.50 and 991,236,989,634.75 is: 1,486,053,113,692.52
Step by Step Solution
- Step 1: Write the proportion equation
3,170,564,785,047.20 : 4,753,280,719,194.50 = 991,236,989,634.75 : x - Step 2: Convert to fraction form
3,170,564,785,047.20/4,753,280,719,194.50 = 991,236,989,634.75/x - Step 3: Cross multiply
3,170,564,785,047.20x = 4,753,280,719,194.50 × 991,236,989,634.75 - Step 4: Simplify right side
3,170,564,785,047.20x = 4,711,627,670,983,255,791,763,456 - Step 5: Solve for x
x = 4,711,627,670,983,255,791,763,456/3,170,564,785,047.20 - Step 6: Final answer
x = 1,486,053,113,692.52
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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.