Finding the Fourth Proportional to 766,138,088.20, 1,149,368,531.84 and 248,528,112.52
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Solution
The fourth proportional to 766,138,088.20, 1,149,368,531.84 and 248,528,112.52 is: 372,844,525.30
Step by Step Solution
- Step 1: Write the proportion equation
766,138,088.20 : 1,149,368,531.84 = 248,528,112.52 : x - Step 2: Convert to fraction form
766,138,088.20/1,149,368,531.84 = 248,528,112.52/x - Step 3: Cross multiply
766,138,088.20x = 1,149,368,531.84 × 248,528,112.52 - Step 4: Simplify right side
766,138,088.20x = 285,650,391,808,078,720 - Step 5: Solve for x
x = 285,650,391,808,078,720/766,138,088.20 - Step 6: Final answer
x = 372,844,525.30
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.