Finding the Fourth Proportional to 766,138,212.32, 1,149,368,718.08 and 248,528,236.64
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Solution
The fourth proportional to 766,138,212.32, 1,149,368,718.08 and 248,528,236.64 is: 372,844,711.52
Step by Step Solution
- Step 1: Write the proportion equation
766,138,212.32 : 1,149,368,718.08 = 248,528,236.64 : x - Step 2: Convert to fraction form
766,138,212.32/1,149,368,718.08 = 248,528,236.64/x - Step 3: Cross multiply
766,138,212.32x = 1,149,368,718.08 × 248,528,236.64 - Step 4: Simplify right side
766,138,212.32x = 285,650,580,753,599,648 - Step 5: Solve for x
x = 285,650,580,753,599,648/766,138,212.32 - Step 6: Final answer
x = 372,844,711.52
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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.