Finding the Fourth Proportional to 775,727,453.64, 1,070,526,597.75 and 423,326,158.62
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Solution
The fourth proportional to 775,727,453.64, 1,070,526,597.75 and 423,326,158.62 is: 584,202,493.03
Step by Step Solution
- Step 1: Write the proportion equation
775,727,453.64 : 1,070,526,597.75 = 423,326,158.62 : x - Step 2: Convert to fraction form
775,727,453.64/1,070,526,597.75 = 423,326,158.62/x - Step 3: Cross multiply
775,727,453.64x = 1,070,526,597.75 × 423,326,158.62 - Step 4: Simplify right side
775,727,453.64x = 453,181,912,328,058,048 - Step 5: Solve for x
x = 453,181,912,328,058,048/775,727,453.64 - Step 6: Final answer
x = 584,202,493.03
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.