Finding the Fourth Proportional to 1,098,658,506.70, 1,647,659,053.68 and 361,592,354.98
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Solution
The fourth proportional to 1,098,658,506.70, 1,647,659,053.68 and 361,592,354.98 is: 542,280,348.07
Step by Step Solution
- Step 1: Write the proportion equation
1,098,658,506.70 : 1,647,659,053.68 = 361,592,354.98 : x - Step 2: Convert to fraction form
1,098,658,506.70/1,647,659,053.68 = 361,592,354.98/x - Step 3: Cross multiply
1,098,658,506.70x = 1,647,659,053.68 × 361,592,354.98 - Step 4: Simplify right side
1,098,658,506.70x = 595,780,917,424,269,440 - Step 5: Solve for x
x = 595,780,917,424,269,440/1,098,658,506.70 - Step 6: Final answer
x = 542,280,348.07
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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.