Finding the Fourth Proportional to 1,494,574,232.52, 2,062,512,362.10 and 807,138,486.59
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Solution
The fourth proportional to 1,494,574,232.52, 2,062,512,362.10 and 807,138,486.59 is: 1,113,851,068.95
Step by Step Solution
- Step 1: Write the proportion equation
1,494,574,232.52 : 2,062,512,362.10 = 807,138,486.59 : x - Step 2: Convert to fraction form
1,494,574,232.52/2,062,512,362.10 = 807,138,486.59/x - Step 3: Cross multiply
1,494,574,232.52x = 2,062,512,362.10 × 807,138,486.59 - Step 4: Simplify right side
1,494,574,232.52x = 1,664,733,106,518,560,000 - Step 5: Solve for x
x = 1,664,733,106,518,560,000/1,494,574,232.52 - Step 6: Final answer
x = 1,113,851,068.95
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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.