Finding the Fourth Proportional to 484,596,037.80, 726,894,056.70 and 177,786,181.80
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Solution
The fourth proportional to 484,596,037.80, 726,894,056.70 and 177,786,181.80 is: 266,679,272.70
Step by Step Solution
- Step 1: Write the proportion equation
484,596,037.80 : 726,894,056.70 = 177,786,181.80 : x - Step 2: Convert to fraction form
484,596,037.80/726,894,056.70 = 177,786,181.80/x - Step 3: Cross multiply
484,596,037.80x = 726,894,056.70 × 177,786,181.80 - Step 4: Simplify right side
484,596,037.80x = 129,231,718,913,805,728 - Step 5: Solve for x
x = 129,231,718,913,805,728/484,596,037.80 - Step 6: Final answer
x = 266,679,272.70
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1.5x scale
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.