Finding the Fourth Proportional to 1,382,184,356.40, 2,073,276,534.60 and 865,623,704.40
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Solution
The fourth proportional to 1,382,184,356.40, 2,073,276,534.60 and 865,623,704.40 is: 1,298,435,556.60
Step by Step Solution
- Step 1: Write the proportion equation
1,382,184,356.40 : 2,073,276,534.60 = 865,623,704.40 : x - Step 2: Convert to fraction form
1,382,184,356.40/2,073,276,534.60 = 865,623,704.40/x - Step 3: Cross multiply
1,382,184,356.40x = 2,073,276,534.60 × 865,623,704.40 - Step 4: Simplify right side
1,382,184,356.40x = 1,794,677,314,126,046,720 - Step 5: Solve for x
x = 1,794,677,314,126,046,720/1,382,184,356.40 - Step 6: Final answer
x = 1,298,435,556.60
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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.