Finding the Fourth Proportional to 4,024,405,421.88, 5,553,411,919.64 and 2,240,213,000.91
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Solution
The fourth proportional to 4,024,405,421.88, 5,553,411,919.64 and 2,240,213,000.91 is: 3,091,345,000.72
Step by Step Solution
- Step 1: Write the proportion equation
4,024,405,421.88 : 5,553,411,919.64 = 2,240,213,000.91 : x - Step 2: Convert to fraction form
4,024,405,421.88/5,553,411,919.64 = 2,240,213,000.91/x - Step 3: Cross multiply
4,024,405,421.88x = 5,553,411,919.64 × 2,240,213,000.91 - Step 4: Simplify right side
4,024,405,421.88x = 12,440,825,581,777,803,264 - Step 5: Solve for x
x = 12,440,825,581,777,803,264/4,024,405,421.88 - Step 6: Final answer
x = 3,091,345,000.72
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.