Finding the Fourth Proportional to 3,561,572,564.80, 5,342,358,847.20 and 2,990,167,201.60
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Solution
The fourth proportional to 3,561,572,564.80, 5,342,358,847.20 and 2,990,167,201.60 is: 4,485,250,802.40
Step by Step Solution
- Step 1: Write the proportion equation
3,561,572,564.80 : 5,342,358,847.20 = 2,990,167,201.60 : x - Step 2: Convert to fraction form
3,561,572,564.80/5,342,358,847.20 = 2,990,167,201.60/x - Step 3: Cross multiply
3,561,572,564.80x = 5,342,358,847.20 × 2,990,167,201.60 - Step 4: Simplify right side
3,561,572,564.80x = 15,974,546,204,075,024,384 - Step 5: Solve for x
x = 15,974,546,204,075,024,384/3,561,572,564.80 - Step 6: Final answer
x = 4,485,250,802.40
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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.