Finding the Fourth Proportional to 855,264,452.16, 1,283,085,635.04 and 309,991,814.40
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Solution
The fourth proportional to 855,264,452.16, 1,283,085,635.04 and 309,991,814.40 is: 465,056,209.26
Step by Step Solution
- Step 1: Write the proportion equation
855,264,452.16 : 1,283,085,635.04 = 309,991,814.40 : x - Step 2: Convert to fraction form
855,264,452.16/1,283,085,635.04 = 309,991,814.40/x - Step 3: Cross multiply
855,264,452.16x = 1,283,085,635.04 × 309,991,814.40 - Step 4: Simplify right side
855,264,452.16x = 397,746,044,036,625,792 - Step 5: Solve for x
x = 397,746,044,036,625,792/855,264,452.16 - Step 6: Final answer
x = 465,056,209.26
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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.