Finding the Fourth Proportional to 997,012,974.12, 1,494,182,657.36 and 775,951,251.96
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Solution
The fourth proportional to 997,012,974.12, 1,494,182,657.36 and 775,951,251.96 is: 1,162,886,475.63
Step by Step Solution
- Step 1: Write the proportion equation
997,012,974.12 : 1,494,182,657.36 = 775,951,251.96 : x - Step 2: Convert to fraction form
997,012,974.12/1,494,182,657.36 = 775,951,251.96/x - Step 3: Cross multiply
997,012,974.12x = 1,494,182,657.36 × 775,951,251.96 - Step 4: Simplify right side
997,012,974.12x = 1,159,412,903,631,532,032 - Step 5: Solve for x
x = 1,159,412,903,631,532,032/997,012,974.12 - Step 6: Final answer
x = 1,162,886,475.63
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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.