Finding the Fourth Proportional to 5,392,139,849.60, 8,088,209,774.40 and 2,630,347,260.80
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Solution
The fourth proportional to 5,392,139,849.60, 8,088,209,774.40 and 2,630,347,260.80 is: 3,945,520,891.20
Step by Step Solution
- Step 1: Write the proportion equation
5,392,139,849.60 : 8,088,209,774.40 = 2,630,347,260.80 : x - Step 2: Convert to fraction form
5,392,139,849.60/8,088,209,774.40 = 2,630,347,260.80/x - Step 3: Cross multiply
5,392,139,849.60x = 8,088,209,774.40 × 2,630,347,260.80 - Step 4: Simplify right side
5,392,139,849.60x = 21,274,800,424,868,827,136 - Step 5: Solve for x
x = 21,274,800,424,868,827,136/5,392,139,849.60 - Step 6: Final answer
x = 3,945,520,891.20
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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.