Finding the Fourth Proportional to 518,126,849.99, 777,539,971.89 and 202,953,785.37
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Solution
The fourth proportional to 518,126,849.99, 777,539,971.89 and 202,953,785.37 is: 304,567,656.70
Step by Step Solution
- Step 1: Write the proportion equation
518,126,849.99 : 777,539,971.89 = 202,953,785.37 : x - Step 2: Convert to fraction form
518,126,849.99/777,539,971.89 = 202,953,785.37/x - Step 3: Cross multiply
518,126,849.99x = 777,539,971.89 × 202,953,785.37 - Step 4: Simplify right side
518,126,849.99x = 157,804,680,571,558,880 - Step 5: Solve for x
x = 157,804,680,571,558,880/518,126,849.99 - Step 6: Final answer
x = 304,567,656.70
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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.