Finding the Fourth Proportional to 3,495,349,189.09, 4,824,731,394.97 and 2,782,192,899.79
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Solution
The fourth proportional to 3,495,349,189.09, 4,824,731,394.97 and 2,782,192,899.79 is: 3,840,341,180.33
Step by Step Solution
- Step 1: Write the proportion equation
3,495,349,189.09 : 4,824,731,394.97 = 2,782,192,899.79 : x - Step 2: Convert to fraction form
3,495,349,189.09/4,824,731,394.97 = 2,782,192,899.79/x - Step 3: Cross multiply
3,495,349,189.09x = 4,824,731,394.97 × 2,782,192,899.79 - Step 4: Simplify right side
3,495,349,189.09x = 13,423,333,430,493,571,072 - Step 5: Solve for x
x = 13,423,333,430,493,571,072/3,495,349,189.09 - Step 6: Final answer
x = 3,840,341,180.33
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1.5x scale
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.