Finding the Fourth Proportional to 756,058,312.70, 1,134,087,469.05 and 603,003,304.70
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Solution
The fourth proportional to 756,058,312.70, 1,134,087,469.05 and 603,003,304.70 is: 904,504,957.05
Step by Step Solution
- Step 1: Write the proportion equation
756,058,312.70 : 1,134,087,469.05 = 603,003,304.70 : x - Step 2: Convert to fraction form
756,058,312.70/1,134,087,469.05 = 603,003,304.70/x - Step 3: Cross multiply
756,058,312.70x = 1,134,087,469.05 × 603,003,304.70 - Step 4: Simplify right side
756,058,312.70x = 683,858,491,656,008,960 - Step 5: Solve for x
x = 683,858,491,656,008,960/756,058,312.70 - Step 6: Final answer
x = 904,504,957.05
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Double scale
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Similar ratio
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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.