Finding the Fourth Proportional to 263,643,378.24, 395,481,509.97 and 69,554,979.57
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Solution
The fourth proportional to 263,643,378.24, 395,481,509.97 and 69,554,979.57 is: 104,336,807.28
Step by Step Solution
- Step 1: Write the proportion equation
263,643,378.24 : 395,481,509.97 = 69,554,979.57 : x - Step 2: Convert to fraction form
263,643,378.24/395,481,509.97 = 69,554,979.57/x - Step 3: Cross multiply
263,643,378.24x = 395,481,509.97 × 69,554,979.57 - Step 4: Simplify right side
263,643,378.24x = 27,507,708,346,276,100 - Step 5: Solve for x
x = 27,507,708,346,276,100/263,643,378.24 - Step 6: Final answer
x = 104,336,807.28
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.