Finding the Fourth Proportional to 756,425,412.03, 1,132,310,963.30 and 493,543,914.14
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Solution
The fourth proportional to 756,425,412.03, 1,132,310,963.30 and 493,543,914.14 is: 738,797,475.55
Step by Step Solution
- Step 1: Write the proportion equation
756,425,412.03 : 1,132,310,963.30 = 493,543,914.14 : x - Step 2: Convert to fraction form
756,425,412.03/1,132,310,963.30 = 493,543,914.14/x - Step 3: Cross multiply
756,425,412.03x = 1,132,310,963.30 × 493,543,914.14 - Step 4: Simplify right side
756,425,412.03x = 558,845,184,851,078,976 - Step 5: Solve for x
x = 558,845,184,851,078,976/756,425,412.03 - Step 6: Final answer
x = 738,797,475.55
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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.