Finding the Fourth Proportional to 3,542,283,966.80, 5,315,693,431.80 and 2,068,420,926.80
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Solution
The fourth proportional to 3,542,283,966.80, 5,315,693,431.80 and 2,068,420,926.80 is: 3,103,955,424.76
Step by Step Solution
- Step 1: Write the proportion equation
3,542,283,966.80 : 5,315,693,431.80 = 2,068,420,926.80 : x - Step 2: Convert to fraction form
3,542,283,966.80/5,315,693,431.80 = 2,068,420,926.80/x - Step 3: Cross multiply
3,542,283,966.80x = 5,315,693,431.80 × 2,068,420,926.80 - Step 4: Simplify right side
3,542,283,966.80x = 10,995,091,534,788,427,776 - Step 5: Solve for x
x = 10,995,091,534,788,427,776/3,542,283,966.80 - Step 6: Final answer
x = 3,103,955,424.76
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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.