Finding the Fourth Proportional to 540,634,680.19, 746,091,597.62 and 305,680,296.13
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Solution
The fourth proportional to 540,634,680.19, 746,091,597.62 and 305,680,296.13 is: 421,847,707.62
Step by Step Solution
- Step 1: Write the proportion equation
540,634,680.19 : 746,091,597.62 = 305,680,296.13 : x - Step 2: Convert to fraction form
540,634,680.19/746,091,597.62 = 305,680,296.13/x - Step 3: Cross multiply
540,634,680.19x = 746,091,597.62 × 305,680,296.13 - Step 4: Simplify right side
540,634,680.19x = 228,065,500,498,398,944 - Step 5: Solve for x
x = 228,065,500,498,398,944/540,634,680.19 - Step 6: Final answer
x = 421,847,707.62
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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.