Finding the Fourth Proportional to 457,258,616.24, 631,021,324.35 and 248,416,256.30
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Solution
The fourth proportional to 457,258,616.24, 631,021,324.35 and 248,416,256.30 is: 342,816,842.53
Step by Step Solution
- Step 1: Write the proportion equation
457,258,616.24 : 631,021,324.35 = 248,416,256.30 : x - Step 2: Convert to fraction form
457,258,616.24/631,021,324.35 = 248,416,256.30/x - Step 3: Cross multiply
457,258,616.24x = 631,021,324.35 × 248,416,256.30 - Step 4: Simplify right side
457,258,616.24x = 156,755,955,040,495,040 - Step 5: Solve for x
x = 156,755,955,040,495,040/457,258,616.24 - Step 6: Final answer
x = 342,816,842.53
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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.