Finding the Fourth Proportional to 1,489,183,612.68, 2,230,869,425.40 and 1,160,118,334.56
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Solution
The fourth proportional to 1,489,183,612.68, 2,230,869,425.40 and 1,160,118,334.56 is: 1,737,913,646.36
Step by Step Solution
- Step 1: Write the proportion equation
1,489,183,612.68 : 2,230,869,425.40 = 1,160,118,334.56 : x - Step 2: Convert to fraction form
1,489,183,612.68/2,230,869,425.40 = 1,160,118,334.56/x - Step 3: Cross multiply
1,489,183,612.68x = 2,230,869,425.40 × 1,160,118,334.56 - Step 4: Simplify right side
1,489,183,612.68x = 2,588,072,522,415,872,000 - Step 5: Solve for x
x = 2,588,072,522,415,872,000/1,489,183,612.68 - Step 6: Final answer
x = 1,737,913,646.36
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.