Finding the Fourth Proportional to 662,776,645.99, 994,267,120.88 and 225,975,178.26
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Solution
The fourth proportional to 662,776,645.99, 994,267,120.88 and 225,975,178.26 is: 338,997,596.31
Step by Step Solution
- Step 1: Write the proportion equation
662,776,645.99 : 994,267,120.88 = 225,975,178.26 : x - Step 2: Convert to fraction form
662,776,645.99/994,267,120.88 = 225,975,178.26/x - Step 3: Cross multiply
662,776,645.99x = 994,267,120.88 × 225,975,178.26 - Step 4: Simplify right side
662,776,645.99x = 224,679,689,878,914,944 - Step 5: Solve for x
x = 224,679,689,878,914,944/662,776,645.99 - Step 6: Final answer
x = 338,997,596.31
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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.