Finding the Fourth Proportional to 3,549,734,809.20, 5,314,398,546.60 and 2,172,239,737.20
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Solution
The fourth proportional to 3,549,734,809.20, 5,314,398,546.60 and 2,172,239,737.20 is: 3,252,115,530.52
Step by Step Solution
- Step 1: Write the proportion equation
3,549,734,809.20 : 5,314,398,546.60 = 2,172,239,737.20 : x - Step 2: Convert to fraction form
3,549,734,809.20/5,314,398,546.60 = 2,172,239,737.20/x - Step 3: Cross multiply
3,549,734,809.20x = 5,314,398,546.60 × 2,172,239,737.20 - Step 4: Simplify right side
3,549,734,809.20x = 11,544,147,702,242,445,312 - Step 5: Solve for x
x = 11,544,147,702,242,445,312/3,549,734,809.20 - Step 6: Final answer
x = 3,252,115,530.52
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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.