Finding the Fourth Proportional to 8,408,512,337.60, 11,598,279,483.84 and 5,392,988,640.80
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Solution
The fourth proportional to 8,408,512,337.60, 11,598,279,483.84 and 5,392,988,640.80 is: 7,438,817,593.15
Step by Step Solution
- Step 1: Write the proportion equation
8,408,512,337.60 : 11,598,279,483.84 = 5,392,988,640.80 : x - Step 2: Convert to fraction form
8,408,512,337.60/11,598,279,483.84 = 5,392,988,640.80/x - Step 3: Cross multiply
8,408,512,337.60x = 11,598,279,483.84 × 5,392,988,640.80 - Step 4: Simplify right side
8,408,512,337.60x = 62,549,389,509,172,813,824 - Step 5: Solve for x
x = 62,549,389,509,172,813,824/8,408,512,337.60 - Step 6: Final answer
x = 7,438,817,593.15
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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.