Finding the Fourth Proportional to 756,188,908.70, 1,134,283,363.05 and 295,974,124.70
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Solution
The fourth proportional to 756,188,908.70, 1,134,283,363.05 and 295,974,124.70 is: 443,961,187.05
Step by Step Solution
- Step 1: Write the proportion equation
756,188,908.70 : 1,134,283,363.05 = 295,974,124.70 : x - Step 2: Convert to fraction form
756,188,908.70/1,134,283,363.05 = 295,974,124.70/x - Step 3: Cross multiply
756,188,908.70x = 1,134,283,363.05 × 295,974,124.70 - Step 4: Simplify right side
756,188,908.70x = 335,718,525,540,496,064 - Step 5: Solve for x
x = 335,718,525,540,496,064/756,188,908.70 - Step 6: Final answer
x = 443,961,187.05
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Double scale
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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.