Finding the Fourth Proportional to 3,650,648,853.72, 5,475,964,765.97 and 2,398,019,855.09
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Solution
The fourth proportional to 3,650,648,853.72, 5,475,964,765.97 and 2,398,019,855.09 is: 3,597,024,189.59
Step by Step Solution
- Step 1: Write the proportion equation
3,650,648,853.72 : 5,475,964,765.97 = 2,398,019,855.09 : x - Step 2: Convert to fraction form
3,650,648,853.72/5,475,964,765.97 = 2,398,019,855.09/x - Step 3: Cross multiply
3,650,648,853.72x = 5,475,964,765.97 × 2,398,019,855.09 - Step 4: Simplify right side
3,650,648,853.72x = 13,131,472,234,529,955,840 - Step 5: Solve for x
x = 13,131,472,234,529,955,840/3,650,648,853.72 - Step 6: Final answer
x = 3,597,024,189.59
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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.