Finding the Fourth Proportional to 1,639,606,901.40, 2,459,410,352.10 and 1,481,450,059.80
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Solution
The fourth proportional to 1,639,606,901.40, 2,459,410,352.10 and 1,481,450,059.80 is: 2,222,175,089.70
Step by Step Solution
- Step 1: Write the proportion equation
1,639,606,901.40 : 2,459,410,352.10 = 1,481,450,059.80 : x - Step 2: Convert to fraction form
1,639,606,901.40/2,459,410,352.10 = 1,481,450,059.80/x - Step 3: Cross multiply
1,639,606,901.40x = 2,459,410,352.10 × 1,481,450,059.80 - Step 4: Simplify right side
1,639,606,901.40x = 3,643,493,613,191,283,712 - Step 5: Solve for x
x = 3,643,493,613,191,283,712/1,639,606,901.40 - Step 6: Final answer
x = 2,222,175,089.70
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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.