Finding the Fourth Proportional to 5,425,900,459.80, 8,138,850,689.70 and 1,745,405,814.30
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Solution
The fourth proportional to 5,425,900,459.80, 8,138,850,689.70 and 1,745,405,814.30 is: 2,618,108,721.45
Step by Step Solution
- Step 1: Write the proportion equation
5,425,900,459.80 : 8,138,850,689.70 = 1,745,405,814.30 : x - Step 2: Convert to fraction form
5,425,900,459.80/8,138,850,689.70 = 1,745,405,814.30/x - Step 3: Cross multiply
5,425,900,459.80x = 8,138,850,689.70 × 1,745,405,814.30 - Step 4: Simplify right side
5,425,900,459.80x = 14,205,597,315,521,943,552 - Step 5: Solve for x
x = 14,205,597,315,521,943,552/5,425,900,459.80 - Step 6: Final answer
x = 2,618,108,721.45
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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.