Finding the Fourth Proportional to 5,425,900,460.80, 8,138,850,691.20 and 1,745,405,815.30
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Solution
The fourth proportional to 5,425,900,460.80, 8,138,850,691.20 and 1,745,405,815.30 is: 2,618,108,722.95
Step by Step Solution
- Step 1: Write the proportion equation
5,425,900,460.80 : 8,138,850,691.20 = 1,745,405,815.30 : x - Step 2: Convert to fraction form
5,425,900,460.80/8,138,850,691.20 = 1,745,405,815.30/x - Step 3: Cross multiply
5,425,900,460.80x = 8,138,850,691.20 × 1,745,405,815.30 - Step 4: Simplify right side
5,425,900,460.80x = 14,205,597,326,278,903,808 - Step 5: Solve for x
x = 14,205,597,326,278,903,808/5,425,900,460.80 - Step 6: Final answer
x = 2,618,108,722.95
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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.