Finding the Fourth Proportional to 547,750,620.30, 755,973,371.07 and 338,974,021.02
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Solution
The fourth proportional to 547,750,620.30, 755,973,371.07 and 338,974,021.02 is: 467,832,118.99
Step by Step Solution
- Step 1: Write the proportion equation
547,750,620.30 : 755,973,371.07 = 338,974,021.02 : x - Step 2: Convert to fraction form
547,750,620.30/755,973,371.07 = 338,974,021.02/x - Step 3: Cross multiply
547,750,620.30x = 755,973,371.07 × 338,974,021.02 - Step 4: Simplify right side
547,750,620.30x = 256,255,333,375,642,432 - Step 5: Solve for x
x = 256,255,333,375,642,432/547,750,620.30 - Step 6: Final answer
x = 467,832,118.99
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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.