Finding the Fourth Proportional to 1,656,269,341.62, 2,285,659,105.02 and 903,580,236.12
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Solution
The fourth proportional to 1,656,269,341.62, 2,285,659,105.02 and 903,580,236.12 is: 1,246,944,770.34
Step by Step Solution
- Step 1: Write the proportion equation
1,656,269,341.62 : 2,285,659,105.02 = 903,580,236.12 : x - Step 2: Convert to fraction form
1,656,269,341.62/2,285,659,105.02 = 903,580,236.12/x - Step 3: Cross multiply
1,656,269,341.62x = 2,285,659,105.02 × 903,580,236.12 - Step 4: Simplify right side
1,656,269,341.62x = 2,065,276,393,803,799,552 - Step 5: Solve for x
x = 2,065,276,393,803,799,552/1,656,269,341.62 - Step 6: Final answer
x = 1,246,944,770.34
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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.