Finding the Fourth Proportional to 664,402,571.10, 996,373,062.36 and 369,747,347.49
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Solution
The fourth proportional to 664,402,571.10, 996,373,062.36 and 369,747,347.49 is: 554,492,581.67
Step by Step Solution
- Step 1: Write the proportion equation
664,402,571.10 : 996,373,062.36 = 369,747,347.49 : x - Step 2: Convert to fraction form
664,402,571.10/996,373,062.36 = 369,747,347.49/x - Step 3: Cross multiply
664,402,571.10x = 996,373,062.36 × 369,747,347.49 - Step 4: Simplify right side
664,402,571.10x = 368,406,296,918,098,368 - Step 5: Solve for x
x = 368,406,296,918,098,368/664,402,571.10 - Step 6: Final answer
x = 554,492,581.67
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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.