Finding the Fourth Proportional to 434,390,485.80, 651,585,728.70 and 414,235,093.80
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Solution
The fourth proportional to 434,390,485.80, 651,585,728.70 and 414,235,093.80 is: 621,352,640.70
Step by Step Solution
- Step 1: Write the proportion equation
434,390,485.80 : 651,585,728.70 = 414,235,093.80 : x - Step 2: Convert to fraction form
434,390,485.80/651,585,728.70 = 414,235,093.80/x - Step 3: Cross multiply
434,390,485.80x = 651,585,728.70 × 414,235,093.80 - Step 4: Simplify right side
434,390,485.80x = 269,909,675,446,785,888 - Step 5: Solve for x
x = 269,909,675,446,785,888/434,390,485.80 - Step 6: Final answer
x = 621,352,640.70
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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.