Finding the Fourth Proportional to 447,777,416.70, 671,666,125.05 and 409,035,367.80
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Solution
The fourth proportional to 447,777,416.70, 671,666,125.05 and 409,035,367.80 is: 613,553,051.70
Step by Step Solution
- Step 1: Write the proportion equation
447,777,416.70 : 671,666,125.05 = 409,035,367.80 : x - Step 2: Convert to fraction form
447,777,416.70/671,666,125.05 = 409,035,367.80/x - Step 3: Cross multiply
447,777,416.70x = 671,666,125.05 × 409,035,367.80 - Step 4: Simplify right side
447,777,416.70x = 274,735,200,498,627,520 - Step 5: Solve for x
x = 274,735,200,498,627,520/447,777,416.70 - Step 6: Final answer
x = 613,553,051.70
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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.