Finding the Fourth Proportional to 3,549,494,621.25, 4,898,446,804.51 and 1,963,559,236.46
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Solution
The fourth proportional to 3,549,494,621.25, 4,898,446,804.51 and 1,963,559,236.46 is: 2,709,791,531.92
Step by Step Solution
- Step 1: Write the proportion equation
3,549,494,621.25 : 4,898,446,804.51 = 1,963,559,236.46 : x - Step 2: Convert to fraction form
3,549,494,621.25/4,898,446,804.51 = 1,963,559,236.46/x - Step 3: Cross multiply
3,549,494,621.25x = 4,898,446,804.51 × 1,963,559,236.46 - Step 4: Simplify right side
3,549,494,621.25x = 9,618,390,467,273,984,000 - Step 5: Solve for x
x = 9,618,390,467,273,984,000/3,549,494,621.25 - Step 6: Final answer
x = 2,709,791,531.92
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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.