Finding the Fourth Proportional to 1,465,893,348.74, 2,022,918,568.58 and 1,091,225,431.70
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Solution
The fourth proportional to 1,465,893,348.74, 2,022,918,568.58 and 1,091,225,431.70 is: 1,505,880,485.91
Step by Step Solution
- Step 1: Write the proportion equation
1,465,893,348.74 : 2,022,918,568.58 = 1,091,225,431.70 : x - Step 2: Convert to fraction form
1,465,893,348.74/2,022,918,568.58 = 1,091,225,431.70/x - Step 3: Cross multiply
1,465,893,348.74x = 2,022,918,568.58 × 1,091,225,431.70 - Step 4: Simplify right side
1,465,893,348.74x = 2,207,460,188,292,656,640 - Step 5: Solve for x
x = 2,207,460,188,292,656,640/1,465,893,348.74 - Step 6: Final answer
x = 1,505,880,485.91
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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.