Finding the Fourth Proportional to 2,690,582,486.40, 4,035,873,729.60 and 2,574,356,339.70
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Solution
The fourth proportional to 2,690,582,486.40, 4,035,873,729.60 and 2,574,356,339.70 is: 3,861,534,509.55
Step by Step Solution
- Step 1: Write the proportion equation
2,690,582,486.40 : 4,035,873,729.60 = 2,574,356,339.70 : x - Step 2: Convert to fraction form
2,690,582,486.40/4,035,873,729.60 = 2,574,356,339.70/x - Step 3: Cross multiply
2,690,582,486.40x = 4,035,873,729.60 × 2,574,356,339.70 - Step 4: Simplify right side
2,690,582,486.40x = 10,389,777,122,024,441,856 - Step 5: Solve for x
x = 10,389,777,122,024,441,856/2,690,582,486.40 - Step 6: Final answer
x = 3,861,534,509.55
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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.