Finding the Fourth Proportional to 413,759,642.47, 620,790,799.96 and 192,536,489.84
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Solution
The fourth proportional to 413,759,642.47, 620,790,799.96 and 192,536,489.84 is: 288,875,156.69
Step by Step Solution
- Step 1: Write the proportion equation
413,759,642.47 : 620,790,799.96 = 192,536,489.84 : x - Step 2: Convert to fraction form
413,759,642.47/620,790,799.96 = 192,536,489.84/x - Step 3: Cross multiply
413,759,642.47x = 620,790,799.96 × 192,536,489.84 - Step 4: Simplify right side
413,759,642.47x = 119,524,881,549,264,016 - Step 5: Solve for x
x = 119,524,881,549,264,016/413,759,642.47 - Step 6: Final answer
x = 288,875,156.69
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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.