Finding the Fourth Proportional to 4,670,493,669.36, 6,445,277,099.67 and 2,636,372,680.52
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Solution
The fourth proportional to 4,670,493,669.36, 6,445,277,099.67 and 2,636,372,680.52 is: 3,638,191,948.61
Step by Step Solution
- Step 1: Write the proportion equation
4,670,493,669.36 : 6,445,277,099.67 = 2,636,372,680.52 : x - Step 2: Convert to fraction form
4,670,493,669.36/6,445,277,099.67 = 2,636,372,680.52/x - Step 3: Cross multiply
4,670,493,669.36x = 6,445,277,099.67 × 2,636,372,680.52 - Step 4: Simplify right side
4,670,493,669.36x = 16,992,152,463,918,942,208 - Step 5: Solve for x
x = 16,992,152,463,918,942,208/4,670,493,669.36 - Step 6: Final answer
x = 3,638,191,948.61
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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.