Finding the Fourth Proportional to 573,439,629.80, 858,883,986.30 and 471,402,957.80
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Solution
The fourth proportional to 573,439,629.80, 858,883,986.30 and 471,402,957.80 is: 706,055,930.75
Step by Step Solution
- Step 1: Write the proportion equation
573,439,629.80 : 858,883,986.30 = 471,402,957.80 : x - Step 2: Convert to fraction form
573,439,629.80/858,883,986.30 = 471,402,957.80/x - Step 3: Cross multiply
573,439,629.80x = 858,883,986.30 × 471,402,957.80 - Step 4: Simplify right side
573,439,629.80x = 404,880,451,548,874,688 - Step 5: Solve for x
x = 404,880,451,548,874,688/573,439,629.80 - Step 6: Final answer
x = 706,055,930.75
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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.