Finding the Fourth Proportional to 673,583,236.62, 929,534,973.96 and 376,229,818.26
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Solution
The fourth proportional to 673,583,236.62, 929,534,973.96 and 376,229,818.26 is: 519,191,623.70
Step by Step Solution
- Step 1: Write the proportion equation
673,583,236.62 : 929,534,973.96 = 376,229,818.26 : x - Step 2: Convert to fraction form
673,583,236.62/929,534,973.96 = 376,229,818.26/x - Step 3: Cross multiply
673,583,236.62x = 929,534,973.96 × 376,229,818.26 - Step 4: Simplify right side
673,583,236.62x = 349,718,774,319,284,608 - Step 5: Solve for x
x = 349,718,774,319,284,608/673,583,236.62 - Step 6: Final answer
x = 519,191,623.70
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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.