Finding the Fourth Proportional to 306,890,599.53, 460,626,929.09 and 189,952,227.59
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Solution
The fourth proportional to 306,890,599.53, 460,626,929.09 and 189,952,227.59 is: 285,108,476.45
Step by Step Solution
- Step 1: Write the proportion equation
306,890,599.53 : 460,626,929.09 = 189,952,227.59 : x - Step 2: Convert to fraction form
306,890,599.53/460,626,929.09 = 189,952,227.59/x - Step 3: Cross multiply
306,890,599.53x = 460,626,929.09 × 189,952,227.59 - Step 4: Simplify right side
306,890,599.53x = 87,497,111,267,636,704 - Step 5: Solve for x
x = 87,497,111,267,636,704/306,890,599.53 - Step 6: Final answer
x = 285,108,476.45
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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.