Finding the Fourth Proportional to 651,355,299.37, 898,877,256.19 and 353,997,563.06
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Solution
The fourth proportional to 651,355,299.37, 898,877,256.19 and 353,997,563.06 is: 488,520,410.42
Step by Step Solution
- Step 1: Write the proportion equation
651,355,299.37 : 898,877,256.19 = 353,997,563.06 : x - Step 2: Convert to fraction form
651,355,299.37/898,877,256.19 = 353,997,563.06/x - Step 3: Cross multiply
651,355,299.37x = 898,877,256.19 × 353,997,563.06 - Step 4: Simplify right side
651,355,299.37x = 318,200,358,175,054,912 - Step 5: Solve for x
x = 318,200,358,175,054,912/651,355,299.37 - Step 6: Final answer
x = 488,520,410.42
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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.