Finding the Fourth Proportional to 719,685,043.20, 1,079,527,564.80 and 174,426,577.92
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Solution
The fourth proportional to 719,685,043.20, 1,079,527,564.80 and 174,426,577.92 is: 261,639,866.88
Step by Step Solution
- Step 1: Write the proportion equation
719,685,043.20 : 1,079,527,564.80 = 174,426,577.92 : x - Step 2: Convert to fraction form
719,685,043.20/1,079,527,564.80 = 174,426,577.92/x - Step 3: Cross multiply
719,685,043.20x = 1,079,527,564.80 × 174,426,577.92 - Step 4: Simplify right side
719,685,043.20x = 188,298,298,898,375,040 - Step 5: Solve for x
x = 188,298,298,898,375,040/719,685,043.20 - Step 6: Final answer
x = 261,639,866.88
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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.