Finding the Fourth Proportional to 2,820,102,645.60, 4,230,153,968.40 and 1,716,482,959.20
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Solution
The fourth proportional to 2,820,102,645.60, 4,230,153,968.40 and 1,716,482,959.20 is: 2,574,724,438.80
Step by Step Solution
- Step 1: Write the proportion equation
2,820,102,645.60 : 4,230,153,968.40 = 1,716,482,959.20 : x - Step 2: Convert to fraction form
2,820,102,645.60/4,230,153,968.40 = 1,716,482,959.20/x - Step 3: Cross multiply
2,820,102,645.60x = 4,230,153,968.40 × 1,716,482,959.20 - Step 4: Simplify right side
2,820,102,645.60x = 7,260,987,201,550,855,168 - Step 5: Solve for x
x = 7,260,987,201,550,855,168/2,820,102,645.60 - Step 6: Final answer
x = 2,574,724,438.80
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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.