Finding the Fourth Proportional to 868,278,319.58, 1,198,221,472.26 and 471,802,518.86
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Solution
The fourth proportional to 868,278,319.58, 1,198,221,472.26 and 471,802,518.86 is: 651,086,058.49
Step by Step Solution
- Step 1: Write the proportion equation
868,278,319.58 : 1,198,221,472.26 = 471,802,518.86 : x - Step 2: Convert to fraction form
868,278,319.58/1,198,221,472.26 = 471,802,518.86/x - Step 3: Cross multiply
868,278,319.58x = 1,198,221,472.26 × 471,802,518.86 - Step 4: Simplify right side
868,278,319.58x = 565,323,908,764,405,632 - Step 5: Solve for x
x = 565,323,908,764,405,632/868,278,319.58 - Step 6: Final answer
x = 651,086,058.49
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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.