Finding the Fourth Proportional to 534,975,883.40, 802,717,415.98 and 258,472,101.08
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Solution
The fourth proportional to 534,975,883.40, 802,717,415.98 and 258,472,101.08 is: 387,830,673.34
Step by Step Solution
- Step 1: Write the proportion equation
534,975,883.40 : 802,717,415.98 = 258,472,101.08 : x - Step 2: Convert to fraction form
534,975,883.40/802,717,415.98 = 258,472,101.08/x - Step 3: Cross multiply
534,975,883.40x = 802,717,415.98 × 258,472,101.08 - Step 4: Simplify right side
534,975,883.40x = 207,480,057,081,858,976 - Step 5: Solve for x
x = 207,480,057,081,858,976/534,975,883.40 - Step 6: Final answer
x = 387,830,673.34
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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.