Finding the Fourth Proportional to 957,893,449.80, 1,436,840,174.70 and 413,697,865.80
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Solution
The fourth proportional to 957,893,449.80, 1,436,840,174.70 and 413,697,865.80 is: 620,546,798.70
Step by Step Solution
- Step 1: Write the proportion equation
957,893,449.80 : 1,436,840,174.70 = 413,697,865.80 : x - Step 2: Convert to fraction form
957,893,449.80/1,436,840,174.70 = 413,697,865.80/x - Step 3: Cross multiply
957,893,449.80x = 1,436,840,174.70 × 413,697,865.80 - Step 4: Simplify right side
957,893,449.80x = 594,417,713,769,089,152 - Step 5: Solve for x
x = 594,417,713,769,089,152/957,893,449.80 - Step 6: Final answer
x = 620,546,798.70
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Similar ratio
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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.