Finding the Fourth Proportional to 303,347,564.51, 418,908,754.91 and 286,821,422.42
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Solution
The fourth proportional to 303,347,564.51, 418,908,754.91 and 286,821,422.42 is: 396,086,928.02
Step by Step Solution
- Step 1: Write the proportion equation
303,347,564.51 : 418,908,754.91 = 286,821,422.42 : x - Step 2: Convert to fraction form
303,347,564.51/418,908,754.91 = 286,821,422.42/x - Step 3: Cross multiply
303,347,564.51x = 418,908,754.91 × 286,821,422.42 - Step 4: Simplify right side
303,347,564.51x = 120,152,004,946,099,888 - Step 5: Solve for x
x = 120,152,004,946,099,888/303,347,564.51 - Step 6: Final answer
x = 396,086,928.02
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.