Finding the Fourth Proportional to 471,936,403.36, 651,238,980.24 and 263,083,307.68
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Solution
The fourth proportional to 471,936,403.36, 651,238,980.24 and 263,083,307.68 is: 363,036,425.65
Step by Step Solution
- Step 1: Write the proportion equation
471,936,403.36 : 651,238,980.24 = 263,083,307.68 : x - Step 2: Convert to fraction form
471,936,403.36/651,238,980.24 = 263,083,307.68/x - Step 3: Cross multiply
471,936,403.36x = 651,238,980.24 × 263,083,307.68 - Step 4: Simplify right side
471,936,403.36x = 171,330,105,011,689,376 - Step 5: Solve for x
x = 171,330,105,011,689,376/471,936,403.36 - Step 6: Final answer
x = 363,036,425.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.