Finding the Fourth Proportional to 465,102,021.80, 697,653,032.70 and 379,008,579.80
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Solution
The fourth proportional to 465,102,021.80, 697,653,032.70 and 379,008,579.80 is: 568,512,869.70
Step by Step Solution
- Step 1: Write the proportion equation
465,102,021.80 : 697,653,032.70 = 379,008,579.80 : x - Step 2: Convert to fraction form
465,102,021.80/697,653,032.70 = 379,008,579.80/x - Step 3: Cross multiply
465,102,021.80x = 697,653,032.70 × 379,008,579.80 - Step 4: Simplify right side
465,102,021.80x = 264,416,485,116,789,984 - Step 5: Solve for x
x = 264,416,485,116,789,984/465,102,021.80 - Step 6: Final answer
x = 568,512,869.70
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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.