Finding the Fourth Proportional to 585,533,361.26, 808,031,255.99 and 317,608,523.06
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Solution
The fourth proportional to 585,533,361.26, 808,031,255.99 and 317,608,523.06 is: 438,297,167.64
Step by Step Solution
- Step 1: Write the proportion equation
585,533,361.26 : 808,031,255.99 = 317,608,523.06 : x - Step 2: Convert to fraction form
585,533,361.26/808,031,255.99 = 317,608,523.06/x - Step 3: Cross multiply
585,533,361.26x = 808,031,255.99 × 317,608,523.06 - Step 4: Simplify right side
585,533,361.26x = 256,637,613,799,712,640 - Step 5: Solve for x
x = 256,637,613,799,712,640/585,533,361.26 - Step 6: Final answer
x = 438,297,167.64
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.