Finding the Fourth Proportional to 488,121,465.42, 732,101,245.11 and 160,600,972.14
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Solution
The fourth proportional to 488,121,465.42, 732,101,245.11 and 160,600,972.14 is: 240,874,823.17
Step by Step Solution
- Step 1: Write the proportion equation
488,121,465.42 : 732,101,245.11 = 160,600,972.14 : x - Step 2: Convert to fraction form
488,121,465.42/732,101,245.11 = 160,600,972.14/x - Step 3: Cross multiply
488,121,465.42x = 732,101,245.11 × 160,600,972.14 - Step 4: Simplify right side
488,121,465.42x = 117,576,171,669,570,416 - Step 5: Solve for x
x = 117,576,171,669,570,416/488,121,465.42 - Step 6: Final answer
x = 240,874,823.17
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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.