Finding the Fourth Proportional to 1,045,276,197.39, 1,569,003,876.54 and 463,419,063.99
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Solution
The fourth proportional to 1,045,276,197.39, 1,569,003,876.54 and 463,419,063.99 is: 695,611,657.17
Step by Step Solution
- Step 1: Write the proportion equation
1,045,276,197.39 : 1,569,003,876.54 = 463,419,063.99 : x - Step 2: Convert to fraction form
1,045,276,197.39/1,569,003,876.54 = 463,419,063.99/x - Step 3: Cross multiply
1,045,276,197.39x = 1,569,003,876.54 × 463,419,063.99 - Step 4: Simplify right side
1,045,276,197.39x = 727,106,307,862,848,256 - Step 5: Solve for x
x = 727,106,307,862,848,256/1,045,276,197.39 - Step 6: Final answer
x = 695,611,657.17
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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.