Finding the Fourth Proportional to 277,325,743.08, 382,704,820.20 and 153,563,763
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Solution
The fourth proportional to 277,325,743.08, 382,704,820.20 and 153,563,763 is: 211,915,387.50
Step by Step Solution
- Step 1: Write the proportion equation
277,325,743.08 : 382,704,820.20 = 153,563,763 : x - Step 2: Convert to fraction form
277,325,743.08/382,704,820.20 = 153,563,763/x - Step 3: Cross multiply
277,325,743.08x = 382,704,820.20 × 153,563,763 - Step 4: Simplify right side
277,325,743.08x = 58,769,592,308,150,408 - Step 5: Solve for x
x = 58,769,592,308,150,408/277,325,743.08 - Step 6: Final answer
x = 211,915,387.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.