Finding the Fourth Proportional to 246,409,391.63, 369,977,430.77 and 137,447,452.91
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Solution
The fourth proportional to 246,409,391.63, 369,977,430.77 and 137,447,452.91 is: 206,373,852.70
Step by Step Solution
- Step 1: Write the proportion equation
246,409,391.63 : 369,977,430.77 = 137,447,452.91 : x - Step 2: Convert to fraction form
246,409,391.63/369,977,430.77 = 137,447,452.91/x - Step 3: Cross multiply
246,409,391.63x = 369,977,430.77 × 137,447,452.91 - Step 4: Simplify right side
246,409,391.63x = 50,852,455,490,985,232 - Step 5: Solve for x
x = 50,852,455,490,985,232/246,409,391.63 - Step 6: Final answer
x = 206,373,852.70
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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.