Finding the Fourth Proportional to 933,135,458.80, 1,399,703,188.20 and 608,260,399.60
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Solution
The fourth proportional to 933,135,458.80, 1,399,703,188.20 and 608,260,399.60 is: 912,390,599.40
Step by Step Solution
- Step 1: Write the proportion equation
933,135,458.80 : 1,399,703,188.20 = 608,260,399.60 : x - Step 2: Convert to fraction form
933,135,458.80/1,399,703,188.20 = 608,260,399.60/x - Step 3: Cross multiply
933,135,458.80x = 1,399,703,188.20 × 608,260,399.60 - Step 4: Simplify right side
933,135,458.80x = 851,384,020,575,926,016 - Step 5: Solve for x
x = 851,384,020,575,926,016/933,135,458.80 - Step 6: Final answer
x = 912,390,599.40
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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.