Finding the Fourth Proportional to 915,626,129.70, 1,373,523,175.35 and 302,211,704.10
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Solution
The fourth proportional to 915,626,129.70, 1,373,523,175.35 and 302,211,704.10 is: 453,345,274.87
Step by Step Solution
- Step 1: Write the proportion equation
915,626,129.70 : 1,373,523,175.35 = 302,211,704.10 : x - Step 2: Convert to fraction form
915,626,129.70/1,373,523,175.35 = 302,211,704.10/x - Step 3: Cross multiply
915,626,129.70x = 1,373,523,175.35 × 302,211,704.10 - Step 4: Simplify right side
915,626,129.70x = 415,094,779,443,366,592 - Step 5: Solve for x
x = 415,094,779,443,366,592/915,626,129.70 - Step 6: Final answer
x = 453,345,274.87
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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.