Finding the Fourth Proportional to 5,487,523,916.35, 7,572,782,993.51 and 3,108,661,850.49
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Solution
The fourth proportional to 5,487,523,916.35, 7,572,782,993.51 and 3,108,661,850.49 is: 4,289,953,347.41
Step by Step Solution
- Step 1: Write the proportion equation
5,487,523,916.35 : 7,572,782,993.51 = 3,108,661,850.49 : x - Step 2: Convert to fraction form
5,487,523,916.35/7,572,782,993.51 = 3,108,661,850.49/x - Step 3: Cross multiply
5,487,523,916.35x = 7,572,782,993.51 × 3,108,661,850.49 - Step 4: Simplify right side
5,487,523,916.35x = 23,541,221,593,948,454,912 - Step 5: Solve for x
x = 23,541,221,593,948,454,912/5,487,523,916.35 - Step 6: Final answer
x = 4,289,953,347.41
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.