Finding the Fourth Proportional to 355,579,400,535.69, 490,686,433,161.57 and 192,995,555,720.85
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Solution
The fourth proportional to 355,579,400,535.69, 490,686,433,161.57 and 192,995,555,720.85 is: 266,326,735,210.28
Step by Step Solution
- Step 1: Write the proportion equation
355,579,400,535.69 : 490,686,433,161.57 = 192,995,555,720.85 : x - Step 2: Convert to fraction form
355,579,400,535.69/490,686,433,161.57 = 192,995,555,720.85/x - Step 3: Cross multiply
355,579,400,535.69x = 490,686,433,161.57 × 192,995,555,720.85 - Step 4: Simplify right side
355,579,400,535.69x = 94,700,300,852,698,919,469,056 - Step 5: Solve for x
x = 94,700,300,852,698,919,469,056/355,579,400,535.69 - Step 6: Final answer
x = 266,326,735,210.28
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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.