Finding the Fourth Proportional to 1,417,180,216.80, 2,125,770,325.20 and 901,895,023.20
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Solution
The fourth proportional to 1,417,180,216.80, 2,125,770,325.20 and 901,895,023.20 is: 1,352,842,534.80
Step by Step Solution
- Step 1: Write the proportion equation
1,417,180,216.80 : 2,125,770,325.20 = 901,895,023.20 : x - Step 2: Convert to fraction form
1,417,180,216.80/2,125,770,325.20 = 901,895,023.20/x - Step 3: Cross multiply
1,417,180,216.80x = 2,125,770,325.20 × 901,895,023.20 - Step 4: Simplify right side
1,417,180,216.80x = 1,917,221,676,764,125,696 - Step 5: Solve for x
x = 1,917,221,676,764,125,696/1,417,180,216.80 - Step 6: Final answer
x = 1,352,842,534.80
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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.