Finding the Fourth Proportional to 485,723,101.08, 670,298,761.28 and 265,706,527.08
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Solution
The fourth proportional to 485,723,101.08, 670,298,761.28 and 265,706,527.08 is: 366,675,489.74
Step by Step Solution
- Step 1: Write the proportion equation
485,723,101.08 : 670,298,761.28 = 265,706,527.08 : x - Step 2: Convert to fraction form
485,723,101.08/670,298,761.28 = 265,706,527.08/x - Step 3: Cross multiply
485,723,101.08x = 670,298,761.28 × 265,706,527.08 - Step 4: Simplify right side
485,723,101.08x = 178,102,755,965,734,784 - Step 5: Solve for x
x = 178,102,755,965,734,784/485,723,101.08 - Step 6: Final answer
x = 366,675,489.74
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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.