Finding the Fourth Proportional to 2,521,703,543.40, 3,782,555,315.10 and 2,487,266,166.60
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Solution
The fourth proportional to 2,521,703,543.40, 3,782,555,315.10 and 2,487,266,166.60 is: 3,730,899,249.90
Step by Step Solution
- Step 1: Write the proportion equation
2,521,703,543.40 : 3,782,555,315.10 = 2,487,266,166.60 : x - Step 2: Convert to fraction form
2,521,703,543.40/3,782,555,315.10 = 2,487,266,166.60/x - Step 3: Cross multiply
2,521,703,543.40x = 3,782,555,315.10 × 2,487,266,166.60 - Step 4: Simplify right side
2,521,703,543.40x = 9,408,221,858,541,232,128 - Step 5: Solve for x
x = 9,408,221,858,541,232,128/2,521,703,543.40 - Step 6: Final answer
x = 3,730,899,249.90
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1.5x scale
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.