Finding the Fourth Proportional to 4,128,458,478.36, 5,697,088,916.46 and 2,411,966,735.06
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Solution
The fourth proportional to 4,128,458,478.36, 5,697,088,916.46 and 2,411,966,735.06 is: 3,328,406,722.56
Step by Step Solution
- Step 1: Write the proportion equation
4,128,458,478.36 : 5,697,088,916.46 = 2,411,966,735.06 : x - Step 2: Convert to fraction form
4,128,458,478.36/5,697,088,916.46 = 2,411,966,735.06/x - Step 3: Cross multiply
4,128,458,478.36x = 5,697,088,916.46 × 2,411,966,735.06 - Step 4: Simplify right side
4,128,458,478.36x = 13,741,188,953,180,538,880 - Step 5: Solve for x
x = 13,741,188,953,180,538,880/4,128,458,478.36 - Step 6: Final answer
x = 3,328,406,722.56
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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.