Finding the Fourth Proportional to 664,272,028.90, 996,408,043.35 and 295,806,268.90
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Solution
The fourth proportional to 664,272,028.90, 996,408,043.35 and 295,806,268.90 is: 443,709,403.35
Step by Step Solution
- Step 1: Write the proportion equation
664,272,028.90 : 996,408,043.35 = 295,806,268.90 : x - Step 2: Convert to fraction form
664,272,028.90/996,408,043.35 = 295,806,268.90/x - Step 3: Cross multiply
664,272,028.90x = 996,408,043.35 × 295,806,268.90 - Step 4: Simplify right side
664,272,028.90x = 294,743,745,605,312,960 - Step 5: Solve for x
x = 294,743,745,605,312,960/664,272,028.90 - Step 6: Final answer
x = 443,709,403.35
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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.