Finding the Fourth Proportional to 1,598,565,152.94, 2,205,907,922.22 and 929,462,728.08
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Solution
The fourth proportional to 1,598,565,152.94, 2,205,907,922.22 and 929,462,728.08 is: 1,282,593,450.45
Step by Step Solution
- Step 1: Write the proportion equation
1,598,565,152.94 : 2,205,907,922.22 = 929,462,728.08 : x - Step 2: Convert to fraction form
1,598,565,152.94/2,205,907,922.22 = 929,462,728.08/x - Step 3: Cross multiply
1,598,565,152.94x = 2,205,907,922.22 × 929,462,728.08 - Step 4: Simplify right side
1,598,565,152.94x = 2,050,309,195,279,885,568 - Step 5: Solve for x
x = 2,050,309,195,279,885,568/1,598,565,152.94 - Step 6: Final answer
x = 1,282,593,450.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.