Finding the Fourth Proportional to 395,076,309.20, 545,106,812.48 and 227,863,712.96
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Solution
The fourth proportional to 395,076,309.20, 545,106,812.48 and 227,863,712.96 is: 314,395,116.49
Step by Step Solution
- Step 1: Write the proportion equation
395,076,309.20 : 545,106,812.48 = 227,863,712.96 : x - Step 2: Convert to fraction form
395,076,309.20/545,106,812.48 = 227,863,712.96/x - Step 3: Cross multiply
395,076,309.20x = 545,106,812.48 × 227,863,712.96 - Step 4: Simplify right side
395,076,309.20x = 124,210,062,251,483,280 - Step 5: Solve for x
x = 124,210,062,251,483,280/395,076,309.20 - Step 6: Final answer
x = 314,395,116.49
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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.