Finding the Fourth Proportional to 392,577,457.02, 588,866,107.29 and 105,363,121.02
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Solution
The fourth proportional to 392,577,457.02, 588,866,107.29 and 105,363,121.02 is: 158,044,660.53
Step by Step Solution
- Step 1: Write the proportion equation
392,577,457.02 : 588,866,107.29 = 105,363,121.02 : x - Step 2: Convert to fraction form
392,577,457.02/588,866,107.29 = 105,363,121.02/x - Step 3: Cross multiply
392,577,457.02x = 588,866,107.29 × 105,363,121.02 - Step 4: Simplify right side
392,577,457.02x = 62,044,770,926,972,568 - Step 5: Solve for x
x = 62,044,770,926,972,568/392,577,457.02 - Step 6: Final answer
x = 158,044,660.53
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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.