Finding the Fourth Proportional to 464,856,420.96, 641,571,603.48 and 353,163,465.18
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Solution
The fourth proportional to 464,856,420.96, 641,571,603.48 and 353,163,465.18 is: 487,418,567.17
Step by Step Solution
- Step 1: Write the proportion equation
464,856,420.96 : 641,571,603.48 = 353,163,465.18 : x - Step 2: Convert to fraction form
464,856,420.96/641,571,603.48 = 353,163,465.18/x - Step 3: Cross multiply
464,856,420.96x = 641,571,603.48 × 353,163,465.18 - Step 4: Simplify right side
464,856,420.96x = 226,579,650,646,085,760 - Step 5: Solve for x
x = 226,579,650,646,085,760/464,856,420.96 - Step 6: Final answer
x = 487,418,567.17
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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.