Finding the Fourth Proportional to 424,097,095.80, 636,145,643.70 and 343,475,527.80
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Solution
The fourth proportional to 424,097,095.80, 636,145,643.70 and 343,475,527.80 is: 515,213,291.70
Step by Step Solution
- Step 1: Write the proportion equation
424,097,095.80 : 636,145,643.70 = 343,475,527.80 : x - Step 2: Convert to fraction form
424,097,095.80/636,145,643.70 = 343,475,527.80/x - Step 3: Cross multiply
424,097,095.80x = 636,145,643.70 × 343,475,527.80 - Step 4: Simplify right side
424,097,095.80x = 218,500,460,727,528,256 - Step 5: Solve for x
x = 218,500,460,727,528,256/424,097,095.80 - Step 6: Final answer
x = 515,213,291.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.