Finding the Fourth Proportional to 4,032,085,719.80, 6,048,128,579.70 and 1,271,993,742.20
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Solution
The fourth proportional to 4,032,085,719.80, 6,048,128,579.70 and 1,271,993,742.20 is: 1,907,990,613.30
Step by Step Solution
- Step 1: Write the proportion equation
4,032,085,719.80 : 6,048,128,579.70 = 1,271,993,742.20 : x - Step 2: Convert to fraction form
4,032,085,719.80/6,048,128,579.70 = 1,271,993,742.20/x - Step 3: Cross multiply
4,032,085,719.80x = 6,048,128,579.70 × 1,271,993,742.20 - Step 4: Simplify right side
4,032,085,719.80x = 7,693,181,705,399,373,824 - Step 5: Solve for x
x = 7,693,181,705,399,373,824/4,032,085,719.80 - Step 6: Final answer
x = 1,907,990,613.30
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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.