Finding the Fourth Proportional to 2,986,048,053.60, 4,479,072,080.40 and 2,115,335,119.20
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Solution
The fourth proportional to 2,986,048,053.60, 4,479,072,080.40 and 2,115,335,119.20 is: 3,173,002,678.80
Step by Step Solution
- Step 1: Write the proportion equation
2,986,048,053.60 : 4,479,072,080.40 = 2,115,335,119.20 : x - Step 2: Convert to fraction form
2,986,048,053.60/4,479,072,080.40 = 2,115,335,119.20/x - Step 3: Cross multiply
2,986,048,053.60x = 4,479,072,080.40 × 2,115,335,119.20 - Step 4: Simplify right side
2,986,048,053.60x = 9,474,738,473,098,326,016 - Step 5: Solve for x
x = 9,474,738,473,098,326,016/2,986,048,053.60 - Step 6: Final answer
x = 3,173,002,678.80
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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.