Finding the Fourth Proportional to 1,417,221,608.40, 2,125,832,412.60 and 382,187,116.80
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Solution
The fourth proportional to 1,417,221,608.40, 2,125,832,412.60 and 382,187,116.80 is: 573,280,675.20
Step by Step Solution
- Step 1: Write the proportion equation
1,417,221,608.40 : 2,125,832,412.60 = 382,187,116.80 : x - Step 2: Convert to fraction form
1,417,221,608.40/2,125,832,412.60 = 382,187,116.80/x - Step 3: Cross multiply
1,417,221,608.40x = 2,125,832,412.60 × 382,187,116.80 - Step 4: Simplify right side
1,417,221,608.40x = 812,465,760,571,581,952 - Step 5: Solve for x
x = 812,465,760,571,581,952/1,417,221,608.40 - Step 6: Final answer
x = 573,280,675.20
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Similar ratio
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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.