Finding the Fourth Proportional to 351,021,718.80, 526,532,578.20 and 169,623,190.80
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Solution
The fourth proportional to 351,021,718.80, 526,532,578.20 and 169,623,190.80 is: 254,434,786.20
Step by Step Solution
- Step 1: Write the proportion equation
351,021,718.80 : 526,532,578.20 = 169,623,190.80 : x - Step 2: Convert to fraction form
351,021,718.80/526,532,578.20 = 169,623,190.80/x - Step 3: Cross multiply
351,021,718.80x = 526,532,578.20 × 169,623,190.80 - Step 4: Simplify right side
351,021,718.80x = 89,312,135,974,434,528 - Step 5: Solve for x
x = 89,312,135,974,434,528/351,021,718.80 - Step 6: Final answer
x = 254,434,786.20
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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.