Finding the Fourth Proportional to 256,557,746.52, 384,810,138.99 and 174,089,015.19
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Solution
The fourth proportional to 256,557,746.52, 384,810,138.99 and 174,089,015.19 is: 261,115,554.06
Step by Step Solution
- Step 1: Write the proportion equation
256,557,746.52 : 384,810,138.99 = 174,089,015.19 : x - Step 2: Convert to fraction form
256,557,746.52/384,810,138.99 = 174,089,015.19/x - Step 3: Cross multiply
256,557,746.52x = 384,810,138.99 × 174,089,015.19 - Step 4: Simplify right side
256,557,746.52x = 66,991,218,131,896,120 - Step 5: Solve for x
x = 66,991,218,131,896,120/256,557,746.52 - Step 6: Final answer
x = 261,115,554.06
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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.