Finding the Fourth Proportional to 484,966,007.70, 727,449,011.55 and 239,440,265.70
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Solution
The fourth proportional to 484,966,007.70, 727,449,011.55 and 239,440,265.70 is: 359,160,398.55
Step by Step Solution
- Step 1: Write the proportion equation
484,966,007.70 : 727,449,011.55 = 239,440,265.70 : x - Step 2: Convert to fraction form
484,966,007.70/727,449,011.55 = 239,440,265.70/x - Step 3: Cross multiply
484,966,007.70x = 727,449,011.55 × 239,440,265.70 - Step 4: Simplify right side
484,966,007.70x = 174,180,584,608,734,336 - Step 5: Solve for x
x = 174,180,584,608,734,336/484,966,007.70 - Step 6: Final answer
x = 359,160,398.55
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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.