Finding the Fourth Proportional to 2,811,519,527.63, 3,879,812,946.06 and 1,541,317,079.12
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Solution
The fourth proportional to 2,811,519,527.63, 3,879,812,946.06 and 1,541,317,079.12 is: 2,126,971,517.99
Step by Step Solution
- Step 1: Write the proportion equation
2,811,519,527.63 : 3,879,812,946.06 = 1,541,317,079.12 : x - Step 2: Convert to fraction form
2,811,519,527.63/3,879,812,946.06 = 1,541,317,079.12/x - Step 3: Cross multiply
2,811,519,527.63x = 3,879,812,946.06 × 1,541,317,079.12 - Step 4: Simplify right side
2,811,519,527.63x = 5,980,021,957,533,762,560 - Step 5: Solve for x
x = 5,980,021,957,533,762,560/2,811,519,527.63 - Step 6: Final answer
x = 2,126,971,517.99
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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.