Finding the Fourth Proportional to 354,294,605.70, 531,441,908.55 and 268,201,163.70
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Solution
The fourth proportional to 354,294,605.70, 531,441,908.55 and 268,201,163.70 is: 402,301,745.55
Step by Step Solution
- Step 1: Write the proportion equation
354,294,605.70 : 531,441,908.55 = 268,201,163.70 : x - Step 2: Convert to fraction form
354,294,605.70/531,441,908.55 = 268,201,163.70/x - Step 3: Cross multiply
354,294,605.70x = 531,441,908.55 × 268,201,163.70 - Step 4: Simplify right side
354,294,605.70x = 142,533,338,312,058,976 - Step 5: Solve for x
x = 142,533,338,312,058,976/354,294,605.70 - Step 6: Final answer
x = 402,301,745.55
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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.