Finding the Fourth Proportional to 545,083,684.08, 752,218,539.36 and 310,134,338.88
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Solution
The fourth proportional to 545,083,684.08, 752,218,539.36 and 310,134,338.88 is: 427,987,126.03
Step by Step Solution
- Step 1: Write the proportion equation
545,083,684.08 : 752,218,539.36 = 310,134,338.88 : x - Step 2: Convert to fraction form
545,083,684.08/752,218,539.36 = 310,134,338.88/x - Step 3: Cross multiply
545,083,684.08x = 752,218,539.36 × 310,134,338.88 - Step 4: Simplify right side
545,083,684.08x = 233,288,799,397,692,864 - Step 5: Solve for x
x = 233,288,799,397,692,864/545,083,684.08 - Step 6: Final answer
x = 427,987,126.03
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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.