Finding the Fourth Proportional to 8,071,284,355.20, 12,106,926,532.80 and 2,255,194,051.20
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Solution
The fourth proportional to 8,071,284,355.20, 12,106,926,532.80 and 2,255,194,051.20 is: 3,382,791,076.80
Step by Step Solution
- Step 1: Write the proportion equation
8,071,284,355.20 : 12,106,926,532.80 = 2,255,194,051.20 : x - Step 2: Convert to fraction form
8,071,284,355.20/12,106,926,532.80 = 2,255,194,051.20/x - Step 3: Cross multiply
8,071,284,355.20x = 12,106,926,532.80 × 2,255,194,051.20 - Step 4: Simplify right side
8,071,284,355.20x = 27,303,468,695,085,998,080 - Step 5: Solve for x
x = 27,303,468,695,085,998,080/8,071,284,355.20 - Step 6: Final answer
x = 3,382,791,076.80
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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.