Finding the Fourth Proportional to 2,782,043,900.70, 4,173,065,851.05 and 1,492,098,812.70
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Solution
The fourth proportional to 2,782,043,900.70, 4,173,065,851.05 and 1,492,098,812.70 is: 2,238,148,219.05
Step by Step Solution
- Step 1: Write the proportion equation
2,782,043,900.70 : 4,173,065,851.05 = 1,492,098,812.70 : x - Step 2: Convert to fraction form
2,782,043,900.70/4,173,065,851.05 = 1,492,098,812.70/x - Step 3: Cross multiply
2,782,043,900.70x = 4,173,065,851.05 × 1,492,098,812.70 - Step 4: Simplify right side
2,782,043,900.70x = 6,226,626,601,670,620,160 - Step 5: Solve for x
x = 6,226,626,601,670,620,160/2,782,043,900.70 - Step 6: Final answer
x = 2,238,148,219.05
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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.