Finding the Fourth Proportional to 2,021,965,615.80, 3,032,948,423.70 and 1,677,308,412.60
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Solution
The fourth proportional to 2,021,965,615.80, 3,032,948,423.70 and 1,677,308,412.60 is: 2,515,962,618.90
Step by Step Solution
- Step 1: Write the proportion equation
2,021,965,615.80 : 3,032,948,423.70 = 1,677,308,412.60 : x - Step 2: Convert to fraction form
2,021,965,615.80/3,032,948,423.70 = 1,677,308,412.60/x - Step 3: Cross multiply
2,021,965,615.80x = 3,032,948,423.70 × 1,677,308,412.60 - Step 4: Simplify right side
2,021,965,615.80x = 5,087,189,906,053,918,720 - Step 5: Solve for x
x = 5,087,189,906,053,918,720/2,021,965,615.80 - Step 6: Final answer
x = 2,515,962,618.90
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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.