Finding the Fourth Proportional to 2,018,478,342.70, 3,027,717,514.05 and 1,329,163,936.30
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Solution
The fourth proportional to 2,018,478,342.70, 3,027,717,514.05 and 1,329,163,936.30 is: 1,993,745,904.45
Step by Step Solution
- Step 1: Write the proportion equation
2,018,478,342.70 : 3,027,717,514.05 = 1,329,163,936.30 : x - Step 2: Convert to fraction form
2,018,478,342.70/3,027,717,514.05 = 1,329,163,936.30/x - Step 3: Cross multiply
2,018,478,342.70x = 3,027,717,514.05 × 1,329,163,936.30 - Step 4: Simplify right side
2,018,478,342.70x = 4,024,332,928,979,148,800 - Step 5: Solve for x
x = 4,024,332,928,979,148,800/2,018,478,342.70 - Step 6: Final answer
x = 1,993,745,904.45
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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.