Finding the Fourth Proportional to 746,529,713.70, 1,119,794,570.55 and 424,043,441.70
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Solution
The fourth proportional to 746,529,713.70, 1,119,794,570.55 and 424,043,441.70 is: 636,065,162.55
Step by Step Solution
- Step 1: Write the proportion equation
746,529,713.70 : 1,119,794,570.55 = 424,043,441.70 : x - Step 2: Convert to fraction form
746,529,713.70/1,119,794,570.55 = 424,043,441.70/x - Step 3: Cross multiply
746,529,713.70x = 1,119,794,570.55 × 424,043,441.70 - Step 4: Simplify right side
746,529,713.70x = 474,841,543,692,995,456 - Step 5: Solve for x
x = 474,841,543,692,995,456/746,529,713.70 - Step 6: Final answer
x = 636,065,162.55
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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.