Finding the Fourth Proportional to 1,738,445,987.70, 2,607,685,123.08 and 494,876,408.06
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Solution
The fourth proportional to 1,738,445,987.70, 2,607,685,123.08 and 494,876,408.06 is: 742,319,207.03
Step by Step Solution
- Step 1: Write the proportion equation
1,738,445,987.70 : 2,607,685,123.08 = 494,876,408.06 : x - Step 2: Convert to fraction form
1,738,445,987.70/2,607,685,123.08 = 494,876,408.06/x - Step 3: Cross multiply
1,738,445,987.70x = 2,607,685,123.08 × 494,876,408.06 - Step 4: Simplify right side
1,738,445,987.70x = 1,290,481,847,061,329,408 - Step 5: Solve for x
x = 1,290,481,847,061,329,408/1,738,445,987.70 - Step 6: Final answer
x = 742,319,207.03
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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.