Finding the Fourth Proportional to 674,588,976.25, 930,958,208.68 and 377,230,547.95
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Solution
The fourth proportional to 674,588,976.25, 930,958,208.68 and 377,230,547.95 is: 520,592,371.86
Step by Step Solution
- Step 1: Write the proportion equation
674,588,976.25 : 930,958,208.68 = 377,230,547.95 : x - Step 2: Convert to fraction form
674,588,976.25/930,958,208.68 = 377,230,547.95/x - Step 3: Cross multiply
674,588,976.25x = 930,958,208.68 × 377,230,547.95 - Step 4: Simplify right side
674,588,976.25x = 351,185,875,178,906,816 - Step 5: Solve for x
x = 351,185,875,178,906,816/674,588,976.25 - Step 6: Final answer
x = 520,592,371.86
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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.