Finding the Fourth Proportional to 497,595,201.30, 746,392,801.95 and 221,245,881.30
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Solution
The fourth proportional to 497,595,201.30, 746,392,801.95 and 221,245,881.30 is: 331,868,821.95
Step by Step Solution
- Step 1: Write the proportion equation
497,595,201.30 : 746,392,801.95 = 221,245,881.30 : x - Step 2: Convert to fraction form
497,595,201.30/746,392,801.95 = 221,245,881.30/x - Step 3: Cross multiply
497,595,201.30x = 746,392,801.95 × 221,245,881.30 - Step 4: Simplify right side
497,595,201.30x = 165,136,333,263,404,128 - Step 5: Solve for x
x = 165,136,333,263,404,128/497,595,201.30 - Step 6: Final answer
x = 331,868,821.95
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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.