Finding the Fourth Proportional to 270,698,993.13, 405,349,181.87 and 186,827,181.06
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Solution
The fourth proportional to 270,698,993.13, 405,349,181.87 and 186,827,181.06 is: 279,758,133.26
Step by Step Solution
- Step 1: Write the proportion equation
270,698,993.13 : 405,349,181.87 = 186,827,181.06 : x - Step 2: Convert to fraction form
270,698,993.13/405,349,181.87 = 186,827,181.06/x - Step 3: Cross multiply
270,698,993.13x = 405,349,181.87 × 186,827,181.06 - Step 4: Simplify right side
270,698,993.13x = 75,730,244,993,749,360 - Step 5: Solve for x
x = 75,730,244,993,749,360/270,698,993.13 - Step 6: Final answer
x = 279,758,133.26
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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.