Finding the Fourth Proportional to 517,967,203.80, 776,950,805.70 and 494,079,331.80
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Solution
The fourth proportional to 517,967,203.80, 776,950,805.70 and 494,079,331.80 is: 741,118,997.70
Step by Step Solution
- Step 1: Write the proportion equation
517,967,203.80 : 776,950,805.70 = 494,079,331.80 : x - Step 2: Convert to fraction form
517,967,203.80/776,950,805.70 = 494,079,331.80/x - Step 3: Cross multiply
517,967,203.80x = 776,950,805.70 × 494,079,331.80 - Step 4: Simplify right side
517,967,203.80x = 383,875,334,921,727,680 - Step 5: Solve for x
x = 383,875,334,921,727,680/517,967,203.80 - Step 6: Final answer
x = 741,118,997.70
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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.