Finding the Fourth Proportional to 507,915,939.97, 762,001,898.68 and 144,410,295.97
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Solution
The fourth proportional to 507,915,939.97, 762,001,898.68 and 144,410,295.97 is: 216,651,833.62
Step by Step Solution
- Step 1: Write the proportion equation
507,915,939.97 : 762,001,898.68 = 144,410,295.97 : x - Step 2: Convert to fraction form
507,915,939.97/762,001,898.68 = 144,410,295.97/x - Step 3: Cross multiply
507,915,939.97x = 762,001,898.68 × 144,410,295.97 - Step 4: Simplify right side
507,915,939.97x = 110,040,919,718,080,736 - Step 5: Solve for x
x = 110,040,919,718,080,736/507,915,939.97 - Step 6: Final answer
x = 216,651,833.62
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.