Finding the Fourth Proportional to 512,743,217.04, 707,584,682.16 and 277,799,716.80
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Solution
The fourth proportional to 512,743,217.04, 707,584,682.16 and 277,799,716.80 is: 383,363,090.50
Step by Step Solution
- Step 1: Write the proportion equation
512,743,217.04 : 707,584,682.16 = 277,799,716.80 : x - Step 2: Convert to fraction form
512,743,217.04/707,584,682.16 = 277,799,716.80/x - Step 3: Cross multiply
512,743,217.04x = 707,584,682.16 × 277,799,716.80 - Step 4: Simplify right side
512,743,217.04x = 196,566,824,316,066,016 - Step 5: Solve for x
x = 196,566,824,316,066,016/512,743,217.04 - Step 6: Final answer
x = 383,363,090.50
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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.