Finding the Fourth Proportional to 1,878,485,079.56, 2,592,028,205.62 and 1,074,584,761.88
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Solution
The fourth proportional to 1,878,485,079.56, 2,592,028,205.62 and 1,074,584,761.88 is: 1,482,766,108.94
Step by Step Solution
- Step 1: Write the proportion equation
1,878,485,079.56 : 2,592,028,205.62 = 1,074,584,761.88 : x - Step 2: Convert to fraction form
1,878,485,079.56/2,592,028,205.62 = 1,074,584,761.88/x - Step 3: Cross multiply
1,878,485,079.56x = 2,592,028,205.62 × 1,074,584,761.88 - Step 4: Simplify right side
1,878,485,079.56x = 2,785,354,012,106,764,800 - Step 5: Solve for x
x = 2,785,354,012,106,764,800/1,878,485,079.56 - Step 6: Final answer
x = 1,482,766,108.94
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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.