Finding the Fourth Proportional to 663,603,389.24, 995,294,104.01 and 243,337,915.81
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Solution
The fourth proportional to 663,603,389.24, 995,294,104.01 and 243,337,915.81 is: 364,966,178.31
Step by Step Solution
- Step 1: Write the proportion equation
663,603,389.24 : 995,294,104.01 = 243,337,915.81 : x - Step 2: Convert to fraction form
663,603,389.24/995,294,104.01 = 243,337,915.81/x - Step 3: Cross multiply
663,603,389.24x = 995,294,104.01 × 243,337,915.81 - Step 4: Simplify right side
663,603,389.24x = 242,192,792,887,774,752 - Step 5: Solve for x
x = 242,192,792,887,774,752/663,603,389.24 - Step 6: Final answer
x = 364,966,178.31
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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.