Finding the Fourth Proportional to 518,892,318.27, 716,071,370.49 and 283,943,007.09
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Solution
The fourth proportional to 518,892,318.27, 716,071,370.49 and 283,943,007.09 is: 391,841,334.07
Step by Step Solution
- Step 1: Write the proportion equation
518,892,318.27 : 716,071,370.49 = 283,943,007.09 : x - Step 2: Convert to fraction form
518,892,318.27/716,071,370.49 = 283,943,007.09/x - Step 3: Cross multiply
518,892,318.27x = 716,071,370.49 × 283,943,007.09 - Step 4: Simplify right side
518,892,318.27x = 203,323,458,227,988,064 - Step 5: Solve for x
x = 203,323,458,227,988,064/518,892,318.27 - Step 6: Final answer
x = 391,841,334.07
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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.