Finding the Fourth Proportional to 484,966,037.70, 727,449,056.55 and 239,440,295.70
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Solution
The fourth proportional to 484,966,037.70, 727,449,056.55 and 239,440,295.70 is: 359,160,443.55
Step by Step Solution
- Step 1: Write the proportion equation
484,966,037.70 : 727,449,056.55 = 239,440,295.70 : x - Step 2: Convert to fraction form
484,966,037.70/727,449,056.55 = 239,440,295.70/x - Step 3: Cross multiply
484,966,037.70x = 727,449,056.55 × 239,440,295.70 - Step 4: Simplify right side
484,966,037.70x = 174,180,617,207,018,016 - Step 5: Solve for x
x = 174,180,617,207,018,016/484,966,037.70 - Step 6: Final answer
x = 359,160,443.55
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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.