Finding the Fourth Proportional to 695,508,427.96, 959,823,229.98 and 382,236,949.24
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Solution
The fourth proportional to 695,508,427.96, 959,823,229.98 and 382,236,949.24 is: 527,498,860.53
Step by Step Solution
- Step 1: Write the proportion equation
695,508,427.96 : 959,823,229.98 = 382,236,949.24 : x - Step 2: Convert to fraction form
695,508,427.96/959,823,229.98 = 382,236,949.24/x - Step 3: Cross multiply
695,508,427.96x = 959,823,229.98 × 382,236,949.24 - Step 4: Simplify right side
695,508,427.96x = 366,879,903,237,238,144 - Step 5: Solve for x
x = 366,879,903,237,238,144/695,508,427.96 - Step 6: Final answer
x = 527,498,860.53
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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.