Finding the Fourth Proportional to 759,626,862.80, 1,139,280,859.92 and 214,240,850.96
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Solution
The fourth proportional to 759,626,862.80, 1,139,280,859.92 and 214,240,850.96 is: 321,316,310.50
Step by Step Solution
- Step 1: Write the proportion equation
759,626,862.80 : 1,139,280,859.92 = 214,240,850.96 : x - Step 2: Convert to fraction form
759,626,862.80/1,139,280,859.92 = 214,240,850.96/x - Step 3: Cross multiply
759,626,862.80x = 1,139,280,859.92 × 214,240,850.96 - Step 4: Simplify right side
759,626,862.80x = 244,080,500,911,701,376 - Step 5: Solve for x
x = 244,080,500,911,701,376/759,626,862.80 - Step 6: Final answer
x = 321,316,310.50
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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.