Finding the Fourth Proportional to 967,713,136.20, 1,451,569,704.30 and 867,943,945.80
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Solution
The fourth proportional to 967,713,136.20, 1,451,569,704.30 and 867,943,945.80 is: 1,301,915,918.70
Step by Step Solution
- Step 1: Write the proportion equation
967,713,136.20 : 1,451,569,704.30 = 867,943,945.80 : x - Step 2: Convert to fraction form
967,713,136.20/1,451,569,704.30 = 867,943,945.80/x - Step 3: Cross multiply
967,713,136.20x = 1,451,569,704.30 × 867,943,945.80 - Step 4: Simplify right side
967,713,136.20x = 1,259,881,136,753,881,088 - Step 5: Solve for x
x = 1,259,881,136,753,881,088/967,713,136.20 - Step 6: Final answer
x = 1,301,915,918.70
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1.5x scale
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.