Finding the Fourth Proportional to 351,977,531.20, 528,029,282.40 and 147,526,273.60
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Solution
The fourth proportional to 351,977,531.20, 528,029,282.40 and 147,526,273.60 is: 221,315,809.90
Step by Step Solution
- Step 1: Write the proportion equation
351,977,531.20 : 528,029,282.40 = 147,526,273.60 : x - Step 2: Convert to fraction form
351,977,531.20/528,029,282.40 = 147,526,273.60/x - Step 3: Cross multiply
351,977,531.20x = 528,029,282.40 × 147,526,273.60 - Step 4: Simplify right side
351,977,531.20x = 77,898,192,384,154,064 - Step 5: Solve for x
x = 77,898,192,384,154,064/351,977,531.20 - Step 6: Final answer
x = 221,315,809.90
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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.