Finding the Fourth Proportional to 972,115,448.53, 1,458,176,955.87 and 235,184,170.63
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Solution
The fourth proportional to 972,115,448.53, 1,458,176,955.87 and 235,184,170.63 is: 352,777,171.19
Step by Step Solution
- Step 1: Write the proportion equation
972,115,448.53 : 1,458,176,955.87 = 235,184,170.63 : x - Step 2: Convert to fraction form
972,115,448.53/1,458,176,955.87 = 235,184,170.63/x - Step 3: Cross multiply
972,115,448.53x = 1,458,176,955.87 × 235,184,170.63 - Step 4: Simplify right side
972,115,448.53x = 342,940,137,998,064,000 - Step 5: Solve for x
x = 342,940,137,998,064,000/972,115,448.53 - Step 6: Final answer
x = 352,777,171.19
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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.