Finding the Fourth Proportional to 4,578,720,246.80, 6,868,976,165.40 and 1,958,519,286.80
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Solution
The fourth proportional to 4,578,720,246.80, 6,868,976,165.40 and 1,958,519,286.80 is: 2,938,162,101.06
Step by Step Solution
- Step 1: Write the proportion equation
4,578,720,246.80 : 6,868,976,165.40 = 1,958,519,286.80 : x - Step 2: Convert to fraction form
4,578,720,246.80/6,868,976,165.40 = 1,958,519,286.80/x - Step 3: Cross multiply
4,578,720,246.80x = 6,868,976,165.40 × 1,958,519,286.80 - Step 4: Simplify right side
4,578,720,246.80x = 13,453,022,300,505,405,440 - Step 5: Solve for x
x = 13,453,022,300,505,405,440/4,578,720,246.80 - Step 6: Final answer
x = 2,938,162,101.06
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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.