Finding the Fourth Proportional to 351,977,450.70, 528,029,161.65 and 147,526,193.10
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Solution
The fourth proportional to 351,977,450.70, 528,029,161.65 and 147,526,193.10 is: 221,315,689.14
Step by Step Solution
- Step 1: Write the proportion equation
351,977,450.70 : 528,029,161.65 = 147,526,193.10 : x - Step 2: Convert to fraction form
351,977,450.70/528,029,161.65 = 147,526,193.10/x - Step 3: Cross multiply
351,977,450.70x = 528,029,161.65 × 147,526,193.10 - Step 4: Simplify right side
351,977,450.70x = 77,898,132,064,009,008 - Step 5: Solve for x
x = 77,898,132,064,009,008/351,977,450.70 - Step 6: Final answer
x = 221,315,689.14
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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.