Finding the Fourth Proportional to 663,603,385.24, 995,294,098.01 and 243,337,911.81
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Solution
The fourth proportional to 663,603,385.24, 995,294,098.01 and 243,337,911.81 is: 364,966,172.32
Step by Step Solution
- Step 1: Write the proportion equation
663,603,385.24 : 995,294,098.01 = 243,337,911.81 : x - Step 2: Convert to fraction form
663,603,385.24/995,294,098.01 = 243,337,911.81/x - Step 3: Cross multiply
663,603,385.24x = 995,294,098.01 × 243,337,911.81 - Step 4: Simplify right side
663,603,385.24x = 242,192,787,446,570,880 - Step 5: Solve for x
x = 242,192,787,446,570,880/663,603,385.24 - Step 6: Final answer
x = 364,966,172.32
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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.