Finding the Fourth Proportional to 463,251,368.15, 639,284,564.73 and 251,556,307.75
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Solution
The fourth proportional to 463,251,368.15, 639,284,564.73 and 251,556,307.75 is: 347,146,443.08
Step by Step Solution
- Step 1: Write the proportion equation
463,251,368.15 : 639,284,564.73 = 251,556,307.75 : x - Step 2: Convert to fraction form
463,251,368.15/639,284,564.73 = 251,556,307.75/x - Step 3: Cross multiply
463,251,368.15x = 639,284,564.73 × 251,556,307.75 - Step 4: Simplify right side
463,251,368.15x = 160,816,064,705,044,672 - Step 5: Solve for x
x = 160,816,064,705,044,672/463,251,368.15 - Step 6: Final answer
x = 347,146,443.08
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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.