Finding the Fourth Proportional to 8,498,135,468.70, 12,747,203,203.05 and 4,824,815,276.70
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Solution
The fourth proportional to 8,498,135,468.70, 12,747,203,203.05 and 4,824,815,276.70 is: 7,237,222,915.05
Step by Step Solution
- Step 1: Write the proportion equation
8,498,135,468.70 : 12,747,203,203.05 = 4,824,815,276.70 : x - Step 2: Convert to fraction form
8,498,135,468.70/12,747,203,203.05 = 4,824,815,276.70/x - Step 3: Cross multiply
8,498,135,468.70x = 12,747,203,203.05 × 4,824,815,276.70 - Step 4: Simplify right side
8,498,135,468.70x = 61,502,900,749,274,808,320 - Step 5: Solve for x
x = 61,502,900,749,274,808,320/8,498,135,468.70 - Step 6: Final answer
x = 7,237,222,915.05
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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.