Finding the Fourth Proportional to 854,639,301.60, 1,281,958,952.40 and 845,569,375.20
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Solution
The fourth proportional to 854,639,301.60, 1,281,958,952.40 and 845,569,375.20 is: 1,268,354,062.80
Step by Step Solution
- Step 1: Write the proportion equation
854,639,301.60 : 1,281,958,952.40 = 845,569,375.20 : x - Step 2: Convert to fraction form
854,639,301.60/1,281,958,952.40 = 845,569,375.20/x - Step 3: Cross multiply
854,639,301.60x = 1,281,958,952.40 × 845,569,375.20 - Step 4: Simplify right side
854,639,301.60x = 1,083,985,230,412,914,688 - Step 5: Solve for x
x = 1,083,985,230,412,914,688/854,639,301.60 - Step 6: Final answer
x = 1,268,354,062.80
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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.