Finding the Fourth Proportional to 3,720,233,677.80, 5,580,350,516.70 and 2,248,035,819.60
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Solution
The fourth proportional to 3,720,233,677.80, 5,580,350,516.70 and 2,248,035,819.60 is: 3,372,053,729.40
Step by Step Solution
- Step 1: Write the proportion equation
3,720,233,677.80 : 5,580,350,516.70 = 2,248,035,819.60 : x - Step 2: Convert to fraction form
3,720,233,677.80/5,580,350,516.70 = 2,248,035,819.60/x - Step 3: Cross multiply
3,720,233,677.80x = 5,580,350,516.70 × 2,248,035,819.60 - Step 4: Simplify right side
3,720,233,677.80x = 12,544,827,847,464,966,144 - Step 5: Solve for x
x = 12,544,827,847,464,966,144/3,720,233,677.80 - Step 6: Final answer
x = 3,372,053,729.40
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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.