Finding the Fourth Proportional to 80,679,854,512.40, 121,019,781,768.60 and 24,782,252,403.20
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Solution
The fourth proportional to 80,679,854,512.40, 121,019,781,768.60 and 24,782,252,403.20 is: 37,173,378,604.80
Step by Step Solution
- Step 1: Write the proportion equation
80,679,854,512.40 : 121,019,781,768.60 = 24,782,252,403.20 : x - Step 2: Convert to fraction form
80,679,854,512.40/121,019,781,768.60 = 24,782,252,403.20/x - Step 3: Cross multiply
80,679,854,512.40x = 121,019,781,768.60 × 24,782,252,403.20 - Step 4: Simplify right side
80,679,854,512.40x = 2,999,142,777,569,627,078,656 - Step 5: Solve for x
x = 2,999,142,777,569,627,078,656/80,679,854,512.40 - Step 6: Final answer
x = 37,173,378,604.80
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1.5x scale
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.