Finding the Fourth Proportional to 472,287,433.88, 651,725,165.95 and 271,350,772.76
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Solution
The fourth proportional to 472,287,433.88, 651,725,165.95 and 271,350,772.76 is: 374,445,972.35
Step by Step Solution
- Step 1: Write the proportion equation
472,287,433.88 : 651,725,165.95 = 271,350,772.76 : x - Step 2: Convert to fraction form
472,287,433.88/651,725,165.95 = 271,350,772.76/x - Step 3: Cross multiply
472,287,433.88x = 651,725,165.95 × 271,350,772.76 - Step 4: Simplify right side
472,287,433.88x = 176,846,127,403,734,720 - Step 5: Solve for x
x = 176,846,127,403,734,720/472,287,433.88 - Step 6: Final answer
x = 374,445,972.35
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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.