Finding the Fourth Proportional to 473,861,203.80, 710,791,805.70 and 393,239,635.80
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Solution
The fourth proportional to 473,861,203.80, 710,791,805.70 and 393,239,635.80 is: 589,859,453.70
Step by Step Solution
- Step 1: Write the proportion equation
473,861,203.80 : 710,791,805.70 = 393,239,635.80 : x - Step 2: Convert to fraction form
473,861,203.80/710,791,805.70 = 393,239,635.80/x - Step 3: Cross multiply
473,861,203.80x = 710,791,805.70 × 393,239,635.80 - Step 4: Simplify right side
473,861,203.80x = 279,511,510,803,092,384 - Step 5: Solve for x
x = 279,511,510,803,092,384/473,861,203.80 - Step 6: Final answer
x = 589,859,453.70
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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.