Finding the Fourth Proportional to 972,115,447.53, 1,458,176,954.37 and 235,184,169.63
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Solution
The fourth proportional to 972,115,447.53, 1,458,176,954.37 and 235,184,169.63 is: 352,777,169.69
Step by Step Solution
- Step 1: Write the proportion equation
972,115,447.53 : 1,458,176,954.37 = 235,184,169.63 : x - Step 2: Convert to fraction form
972,115,447.53/1,458,176,954.37 = 235,184,169.63/x - Step 3: Cross multiply
972,115,447.53x = 1,458,176,954.37 × 235,184,169.63 - Step 4: Simplify right side
972,115,447.53x = 342,940,136,187,110,784 - Step 5: Solve for x
x = 342,940,136,187,110,784/972,115,447.53 - Step 6: Final answer
x = 352,777,169.69
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1.5x scale
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.