Finding the Fourth Proportional to 972,353,564.19, 1,458,534,086.05 and 235,422,241.02
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Solution
The fourth proportional to 972,353,564.19, 1,458,534,086.05 and 235,422,241.02 is: 353,134,266.99
Step by Step Solution
- Step 1: Write the proportion equation
972,353,564.19 : 1,458,534,086.05 = 235,422,241.02 : x - Step 2: Convert to fraction form
972,353,564.19/1,458,534,086.05 = 235,422,241.02/x - Step 3: Cross multiply
972,353,564.19x = 1,458,534,086.05 × 235,422,241.02 - Step 4: Simplify right side
972,353,564.19x = 343,371,363,141,948,544 - Step 5: Solve for x
x = 343,371,363,141,948,544/972,353,564.19 - Step 6: Final answer
x = 353,134,266.99
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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.