Finding the Fourth Proportional to 658,964,170.05, 909,384,447.27 and 361,603,811.19
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Solution
The fourth proportional to 658,964,170.05, 909,384,447.27 and 361,603,811.19 is: 499,020,882.95
Step by Step Solution
- Step 1: Write the proportion equation
658,964,170.05 : 909,384,447.27 = 361,603,811.19 : x - Step 2: Convert to fraction form
658,964,170.05/909,384,447.27 = 361,603,811.19/x - Step 3: Cross multiply
658,964,170.05x = 909,384,447.27 × 361,603,811.19 - Step 4: Simplify right side
658,964,170.05x = 328,836,881,969,743,552 - Step 5: Solve for x
x = 328,836,881,969,743,552/658,964,170.05 - Step 6: Final answer
x = 499,020,882.95
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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.