Finding the Fourth Proportional to 511,946,541.77, 706,481,197.98 and 276,992,047.00
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Solution
The fourth proportional to 511,946,541.77, 706,481,197.98 and 276,992,047.00 is: 382,246,303.52
Step by Step Solution
- Step 1: Write the proportion equation
511,946,541.77 : 706,481,197.98 = 276,992,047.00 : x - Step 2: Convert to fraction form
511,946,541.77/706,481,197.98 = 276,992,047.00/x - Step 3: Cross multiply
511,946,541.77x = 706,481,197.98 × 276,992,047.00 - Step 4: Simplify right side
511,946,541.77x = 195,689,673,191,960,064 - Step 5: Solve for x
x = 195,689,673,191,960,064/511,946,541.77 - Step 6: Final answer
x = 382,246,303.52
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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.