Finding the Fourth Proportional to 542,284,946.97, 748,435,029.53 and 330,714,520.50
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Solution
The fourth proportional to 542,284,946.97, 748,435,029.53 and 330,714,520.50 is: 456,435,925.98
Step by Step Solution
- Step 1: Write the proportion equation
542,284,946.97 : 748,435,029.53 = 330,714,520.50 : x - Step 2: Convert to fraction form
542,284,946.97/748,435,029.53 = 330,714,520.50/x - Step 3: Cross multiply
542,284,946.97x = 748,435,029.53 × 330,714,520.50 - Step 4: Simplify right side
542,284,946.97x = 247,518,331,917,244,096 - Step 5: Solve for x
x = 247,518,331,917,244,096/542,284,946.97 - Step 6: Final answer
x = 456,435,925.98
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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.