Finding the Fourth Proportional to 743,134,381.50, 1,115,136,243.15 and 277,117,754.41
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Solution
The fourth proportional to 743,134,381.50, 1,115,136,243.15 and 277,117,754.41 is: 415,838,722.11
Step by Step Solution
- Step 1: Write the proportion equation
743,134,381.50 : 1,115,136,243.15 = 277,117,754.41 : x - Step 2: Convert to fraction form
743,134,381.50/1,115,136,243.15 = 277,117,754.41/x - Step 3: Cross multiply
743,134,381.50x = 1,115,136,243.15 × 277,117,754.41 - Step 4: Simplify right side
743,134,381.50x = 309,024,051,563,300,352 - Step 5: Solve for x
x = 309,024,051,563,300,352/743,134,381.50 - Step 6: Final answer
x = 415,838,722.11
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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.