Finding the Fourth Proportional to 586,840,927.80, 880,261,391.70 and 314,743,135.80
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Solution
The fourth proportional to 586,840,927.80, 880,261,391.70 and 314,743,135.80 is: 472,114,703.70
Step by Step Solution
- Step 1: Write the proportion equation
586,840,927.80 : 880,261,391.70 = 314,743,135.80 : x - Step 2: Convert to fraction form
586,840,927.80/880,261,391.70 = 314,743,135.80/x - Step 3: Cross multiply
586,840,927.80x = 880,261,391.70 × 314,743,135.80 - Step 4: Simplify right side
586,840,927.80x = 277,056,230,747,330,112 - Step 5: Solve for x
x = 277,056,230,747,330,112/586,840,927.80 - Step 6: Final answer
x = 472,114,703.70
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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.