Finding the Fourth Proportional to 1,451,567,014.40, 2,177,350,521.60 and 531,137,446.40
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Solution
The fourth proportional to 1,451,567,014.40, 2,177,350,521.60 and 531,137,446.40 is: 796,706,169.60
Step by Step Solution
- Step 1: Write the proportion equation
1,451,567,014.40 : 2,177,350,521.60 = 531,137,446.40 : x - Step 2: Convert to fraction form
1,451,567,014.40/2,177,350,521.60 = 531,137,446.40/x - Step 3: Cross multiply
1,451,567,014.40x = 2,177,350,521.60 × 531,137,446.40 - Step 4: Simplify right side
1,451,567,014.40x = 1,156,472,395,960,332,032 - Step 5: Solve for x
x = 1,156,472,395,960,332,032/1,451,567,014.40 - Step 6: Final answer
x = 796,706,169.60
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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.