Finding the Fourth Proportional to 437,798,469.10, 656,264,551.65 and 207,362,526.70
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Solution
The fourth proportional to 437,798,469.10, 656,264,551.65 and 207,362,526.70 is: 310,838,628.32
Step by Step Solution
- Step 1: Write the proportion equation
437,798,469.10 : 656,264,551.65 = 207,362,526.70 : x - Step 2: Convert to fraction form
437,798,469.10/656,264,551.65 = 207,362,526.70/x - Step 3: Cross multiply
437,798,469.10x = 656,264,551.65 × 207,362,526.70 - Step 4: Simplify right side
437,798,469.10x = 136,084,675,613,786,640 - Step 5: Solve for x
x = 136,084,675,613,786,640/437,798,469.10 - Step 6: Final answer
x = 310,838,628.32
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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.