Finding the Fourth Proportional to 557,680,862.80, 836,521,294.20 and 194,175,218.80
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Solution
The fourth proportional to 557,680,862.80, 836,521,294.20 and 194,175,218.80 is: 291,262,828.20
Step by Step Solution
- Step 1: Write the proportion equation
557,680,862.80 : 836,521,294.20 = 194,175,218.80 : x - Step 2: Convert to fraction form
557,680,862.80/836,521,294.20 = 194,175,218.80/x - Step 3: Cross multiply
557,680,862.80x = 836,521,294.20 × 194,175,218.80 - Step 4: Simplify right side
557,680,862.80x = 162,431,705,332,144,192 - Step 5: Solve for x
x = 162,431,705,332,144,192/557,680,862.80 - Step 6: Final answer
x = 291,262,828.20
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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.