Finding the Fourth Proportional to 1,063,274,713.80, 1,594,912,070.70 and 919,947,481.80
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Solution
The fourth proportional to 1,063,274,713.80, 1,594,912,070.70 and 919,947,481.80 is: 1,379,921,222.70
Step by Step Solution
- Step 1: Write the proportion equation
1,063,274,713.80 : 1,594,912,070.70 = 919,947,481.80 : x - Step 2: Convert to fraction form
1,063,274,713.80/1,594,912,070.70 = 919,947,481.80/x - Step 3: Cross multiply
1,063,274,713.80x = 1,594,912,070.70 × 919,947,481.80 - Step 4: Simplify right side
1,063,274,713.80x = 1,467,235,343,132,888,576 - Step 5: Solve for x
x = 1,467,235,343,132,888,576/1,063,274,713.80 - Step 6: Final answer
x = 1,379,921,222.70
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1.5x scale
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.