Finding the Fourth Proportional to 1,394,939,320.70, 2,092,408,984.12 and 577,051,621.70
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Solution
The fourth proportional to 1,394,939,320.70, 2,092,408,984.12 and 577,051,621.70 is: 865,577,433.82
Step by Step Solution
- Step 1: Write the proportion equation
1,394,939,320.70 : 2,092,408,984.12 = 577,051,621.70 : x - Step 2: Convert to fraction form
1,394,939,320.70/2,092,408,984.12 = 577,051,621.70/x - Step 3: Cross multiply
1,394,939,320.70x = 2,092,408,984.12 × 577,051,621.70 - Step 4: Simplify right side
1,394,939,320.70x = 1,207,427,997,546,095,616 - Step 5: Solve for x
x = 1,207,427,997,546,095,616/1,394,939,320.70 - Step 6: Final answer
x = 865,577,433.82
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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.