Finding the Fourth Proportional to 658,964,158.14, 909,384,430.84 and 361,603,799.24
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Solution
The fourth proportional to 658,964,158.14, 909,384,430.84 and 361,603,799.24 is: 499,020,866.46
Step by Step Solution
- Step 1: Write the proportion equation
658,964,158.14 : 909,384,430.84 = 361,603,799.24 : x - Step 2: Convert to fraction form
658,964,158.14/909,384,430.84 = 361,603,799.24/x - Step 3: Cross multiply
658,964,158.14x = 909,384,430.84 × 361,603,799.24 - Step 4: Simplify right side
658,964,158.14x = 328,836,865,161,449,024 - Step 5: Solve for x
x = 328,836,865,161,449,024/658,964,158.14 - Step 6: Final answer
x = 499,020,866.46
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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.