Finding the Fourth Proportional to 4,751,775,459.20, 7,134,465,633.60 and 2,685,532,851.20
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Solution
The fourth proportional to 4,751,775,459.20, 7,134,465,633.60 and 2,685,532,851.20 is: 4,032,143,774.32
Step by Step Solution
- Step 1: Write the proportion equation
4,751,775,459.20 : 7,134,465,633.60 = 2,685,532,851.20 : x - Step 2: Convert to fraction form
4,751,775,459.20/7,134,465,633.60 = 2,685,532,851.20/x - Step 3: Cross multiply
4,751,775,459.20x = 7,134,465,633.60 × 2,685,532,851.20 - Step 4: Simplify right side
4,751,775,459.20x = 19,159,841,834,790,223,872 - Step 5: Solve for x
x = 19,159,841,834,790,223,872/4,751,775,459.20 - Step 6: Final answer
x = 4,032,143,774.32
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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.