Finding the Fourth Proportional to 2,228,995,800.68, 3,076,016,183.74 and 1,225,430,442.39
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Solution
The fourth proportional to 2,228,995,800.68, 3,076,016,183.74 and 1,225,430,442.39 is: 1,691,095,098.39
Step by Step Solution
- Step 1: Write the proportion equation
2,228,995,800.68 : 3,076,016,183.74 = 1,225,430,442.39 : x - Step 2: Convert to fraction form
2,228,995,800.68/3,076,016,183.74 = 1,225,430,442.39/x - Step 3: Cross multiply
2,228,995,800.68x = 3,076,016,183.74 × 1,225,430,442.39 - Step 4: Simplify right side
2,228,995,800.68x = 3,769,443,872,852,590,080 - Step 5: Solve for x
x = 3,769,443,872,852,590,080/2,228,995,800.68 - Step 6: Final answer
x = 1,691,095,098.39
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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.