Finding the Fourth Proportional to 3,360,948,844.17, 4,638,516,114.90 and 1,912,876,773.20
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Solution
The fourth proportional to 3,360,948,844.17, 4,638,516,114.90 and 1,912,876,773.20 is: 2,640,001,425.09
Step by Step Solution
- Step 1: Write the proportion equation
3,360,948,844.17 : 4,638,516,114.90 = 1,912,876,773.20 : x - Step 2: Convert to fraction form
3,360,948,844.17/4,638,516,114.90 = 1,912,876,773.20/x - Step 3: Cross multiply
3,360,948,844.17x = 4,638,516,114.90 × 1,912,876,773.20 - Step 4: Simplify right side
3,360,948,844.17x = 8,872,909,738,273,355,776 - Step 5: Solve for x
x = 8,872,909,738,273,355,776/3,360,948,844.17 - Step 6: Final answer
x = 2,640,001,425.09
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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.