Finding the Fourth Proportional to 770,730,187.71, 1,063,608,709.38 and 418,306,182.99
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Solution
The fourth proportional to 770,730,187.71, 1,063,608,709.38 and 418,306,182.99 is: 577,263,102.59
Step by Step Solution
- Step 1: Write the proportion equation
770,730,187.71 : 1,063,608,709.38 = 418,306,182.99 : x - Step 2: Convert to fraction form
770,730,187.71/1,063,608,709.38 = 418,306,182.99/x - Step 3: Cross multiply
770,730,187.71x = 1,063,608,709.38 × 418,306,182.99 - Step 4: Simplify right side
770,730,187.71x = 444,914,099,415,668,032 - Step 5: Solve for x
x = 444,914,099,415,668,032/770,730,187.71 - Step 6: Final answer
x = 577,263,102.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.