Finding the Fourth Proportional to 405,688,503.97, 608,331,251.01 and 129,303,754.57
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Solution
The fourth proportional to 405,688,503.97, 608,331,251.01 and 129,303,754.57 is: 193,891,406.85
Step by Step Solution
- Step 1: Write the proportion equation
405,688,503.97 : 608,331,251.01 = 129,303,754.57 : x - Step 2: Convert to fraction form
405,688,503.97/608,331,251.01 = 129,303,754.57/x - Step 3: Cross multiply
405,688,503.97x = 608,331,251.01 × 129,303,754.57 - Step 4: Simplify right side
405,688,503.97x = 78,659,514,774,957,888 - Step 5: Solve for x
x = 78,659,514,774,957,888/405,688,503.97 - Step 6: Final answer
x = 193,891,406.85
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