Finding the Fourth Proportional to 532,351,916.99, 798,552,537.32 and 163,903,372.78
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Solution
The fourth proportional to 532,351,916.99, 798,552,537.32 and 163,903,372.78 is: 245,862,652.19
Step by Step Solution
- Step 1: Write the proportion equation
532,351,916.99 : 798,552,537.32 = 163,903,372.78 : x - Step 2: Convert to fraction form
532,351,916.99/798,552,537.32 = 163,903,372.78/x - Step 3: Cross multiply
532,351,916.99x = 798,552,537.32 × 163,903,372.78 - Step 4: Simplify right side
532,351,916.99x = 130,885,454,207,188,208 - Step 5: Solve for x
x = 130,885,454,207,188,208/532,351,916.99 - Step 6: Final answer
x = 245,862,652.19
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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.