Finding the Fourth Proportional to 782,641,795.92, 1,080,059,094.84 and 430,232,640
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Solution
The fourth proportional to 782,641,795.92, 1,080,059,094.84 and 430,232,640 is: 593,728,418.48
Step by Step Solution
- Step 1: Write the proportion equation
782,641,795.92 : 1,080,059,094.84 = 430,232,640 : x - Step 2: Convert to fraction form
782,641,795.92/1,080,059,094.84 = 430,232,640/x - Step 3: Cross multiply
782,641,795.92x = 1,080,059,094.84 × 430,232,640 - Step 4: Simplify right side
782,641,795.92x = 464,676,675,729,023,552 - Step 5: Solve for x
x = 464,676,675,729,023,552/782,641,795.92 - Step 6: Final answer
x = 593,728,418.48
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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.