Finding the Fourth Proportional to 229,249,523.80, 343,874,285.70 and 199,389,683.80
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Solution
The fourth proportional to 229,249,523.80, 343,874,285.70 and 199,389,683.80 is: 299,084,525.70
Step by Step Solution
- Step 1: Write the proportion equation
229,249,523.80 : 343,874,285.70 = 199,389,683.80 : x - Step 2: Convert to fraction form
229,249,523.80/343,874,285.70 = 199,389,683.80/x - Step 3: Cross multiply
229,249,523.80x = 343,874,285.70 × 199,389,683.80 - Step 4: Simplify right side
229,249,523.80x = 68,564,985,092,673,864 - Step 5: Solve for x
x = 68,564,985,092,673,864/229,249,523.80 - Step 6: Final answer
x = 299,084,525.70
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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.