Finding the Fourth Proportional to 405,185,277.68, 559,156,177.32 and 219,546,146.96
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Solution
The fourth proportional to 405,185,277.68, 559,156,177.32 and 219,546,146.96 is: 302,973,950.54
Step by Step Solution
- Step 1: Write the proportion equation
405,185,277.68 : 559,156,177.32 = 219,546,146.96 : x - Step 2: Convert to fraction form
405,185,277.68/559,156,177.32 = 219,546,146.96/x - Step 3: Cross multiply
405,185,277.68x = 559,156,177.32 × 219,546,146.96 - Step 4: Simplify right side
405,185,277.68x = 122,760,584,279,488,560 - Step 5: Solve for x
x = 122,760,584,279,488,560/405,185,277.68 - Step 6: Final answer
x = 302,973,950.54
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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.