Finding the Fourth Proportional to 816,141,556.40, 1,145,016,826 and 816,141,556.40
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Solution
The fourth proportional to 816,141,556.40, 1,145,016,826 and 816,141,556.40 is: 1,145,016,826
Step by Step Solution
- Step 1: Write the proportion equation
816,141,556.40 : 1,145,016,826 = 816,141,556.40 : x - Step 2: Convert to fraction form
816,141,556.40/1,145,016,826 = 816,141,556.40/x - Step 3: Cross multiply
816,141,556.40x = 1,145,016,826 × 816,141,556.40 - Step 4: Simplify right side
816,141,556.40x = 934,495,814,475,827,968 - Step 5: Solve for x
x = 934,495,814,475,827,968/816,141,556.40 - Step 6: Final answer
x = 1,145,016,826
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.