Finding the Fourth Proportional to 4,292,383,148.80, 6,438,574,723.20 and 3,603,635,612.80
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Solution
The fourth proportional to 4,292,383,148.80, 6,438,574,723.20 and 3,603,635,612.80 is: 5,405,453,419.20
Step by Step Solution
- Step 1: Write the proportion equation
4,292,383,148.80 : 6,438,574,723.20 = 3,603,635,612.80 : x - Step 2: Convert to fraction form
4,292,383,148.80/6,438,574,723.20 = 3,603,635,612.80/x - Step 3: Cross multiply
4,292,383,148.80x = 6,438,574,723.20 × 3,603,635,612.80 - Step 4: Simplify right side
4,292,383,148.80x = 23,202,277,168,197,423,104 - Step 5: Solve for x
x = 23,202,277,168,197,423,104/4,292,383,148.80 - Step 6: Final answer
x = 5,405,453,419.20
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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.