Finding the Fourth Proportional to 1,451,567,193.80, 2,177,350,790.70 and 1,301,913,408.20
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Solution
The fourth proportional to 1,451,567,193.80, 2,177,350,790.70 and 1,301,913,408.20 is: 1,952,870,112.30
Step by Step Solution
- Step 1: Write the proportion equation
1,451,567,193.80 : 2,177,350,790.70 = 1,301,913,408.20 : x - Step 2: Convert to fraction form
1,451,567,193.80/2,177,350,790.70 = 1,301,913,408.20/x - Step 3: Cross multiply
1,451,567,193.80x = 2,177,350,790.70 × 1,301,913,408.20 - Step 4: Simplify right side
1,451,567,193.80x = 2,834,722,188,767,201,792 - Step 5: Solve for x
x = 2,834,722,188,767,201,792/1,451,567,193.80 - Step 6: Final answer
x = 1,952,870,112.30
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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.