Finding the Fourth Proportional to 674,029,866.99, 1,010,972,366.69 and 457,072,818.51
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Solution
The fourth proportional to 674,029,866.99, 1,010,972,366.69 and 457,072,818.51 is: 685,560,108.99
Step by Step Solution
- Step 1: Write the proportion equation
674,029,866.99 : 1,010,972,366.69 = 457,072,818.51 : x - Step 2: Convert to fraction form
674,029,866.99/1,010,972,366.69 = 457,072,818.51/x - Step 3: Cross multiply
674,029,866.99x = 1,010,972,366.69 × 457,072,818.51 - Step 4: Simplify right side
674,029,866.99x = 462,087,989,076,438,144 - Step 5: Solve for x
x = 462,087,989,076,438,144/674,029,866.99 - Step 6: Final answer
x = 685,560,108.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.