Finding the Fourth Proportional to 313,301,650.68, 432,367,946.28 and 187,874,267.37
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Solution
The fourth proportional to 313,301,650.68, 432,367,946.28 and 187,874,267.37 is: 259,273,486.00
Step by Step Solution
- Step 1: Write the proportion equation
313,301,650.68 : 432,367,946.28 = 187,874,267.37 : x - Step 2: Convert to fraction form
313,301,650.68/432,367,946.28 = 187,874,267.37/x - Step 3: Cross multiply
313,301,650.68x = 432,367,946.28 × 187,874,267.37 - Step 4: Simplify right side
313,301,650.68x = 81,230,811,141,626,512 - Step 5: Solve for x
x = 81,230,811,141,626,512/313,301,650.68 - Step 6: Final answer
x = 259,273,486.00
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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.